Question 26
Marks: 1
The regulatory level for total cresol under the RCRA Toxicity Characteristic rule is
Choose one answer.

a. 600 mg/l

b. 400 mg/l

c. 200 mg/l

d. 100 mg/l

The solid crib configuration is a type of crib that is made entirely of solid materials, such as wood or metal, and has no movable or collapsible parts. One of the biggest advantages of this type of crib is its durability and sturdiness.

It is less likely to break or fail over time, ensuring the safety of the baby who sleeps in it. Additionally, the solid crib configuration is typically easier to assemble and disassemble than other types of cribs, such as those with drop-down sides. This makes it a great option for parents who frequently move or travel with their baby. Another advantage of the solid crib configuration is that it often provides better support for the mattress and allows for better airflow, which can improve the baby's comfort and safety. Overall, the solid crib configuration is a great choice for parents who prioritize safety, durability, and ease of use.

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the pressure in the tank indicated by a strain gage reading of 280*10^-6in/in is gotten as 1.421 MPa

Pressure is  described as the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Given values

angle B = 18 degrees  

cylindrical wall of the tank =  6mm thick

cylindrical wall of the tank= 600mm inside diameter

E = 200 GPa

and v = 0. 30.

pressure indicated by strain gauge σθ=Prt

substituting the values and solving

pressure  = 1.421 MPa

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The maximum allowable value of P based on the stress that can act on the beam will be 750 lb.

From the information, the wood has an allowable normal stress of Ơallow-1. 5 ksi, and an allowable shear stress of Tallow 150 psi, and we want to determine the maximum allowable value of P that can act on the beam.

The maximum allowable value of P that can act on the beam will be:

= P × 13.75 / 54 × 3

= 1773.723lb

P max = 750 lb

Check the attachment for further details.

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The voltage is given as 0 volts

We have to apply at the Nodal at VA

We have

-3 + Va/R + Va/2 = 0

-3 + Va / 19 + Va / 2 = 0

3 = Va(21 / 38)

VA = 38 x 3 / 21

The voltage has a resitance of 2

Va / 2u

= (38 x 3 / 21) / 2

V2U =  38 x 3 / 21

Vc = -Va + V2u

= -  (38 x 3 / 21) +  (38 x 3 / 21)

Vc = 0

Hence The voltage vc is 0 V

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The solution is done below The strength is 720.833 kip .ft

Fy = 50

Fu = 65

Lp = 13.5 from the table 3-2

The plastic moment capacity

= 0.9 x 50 x 173

= 7785 kip.in

= 648.75 kip.ft

The design moment capacity

This is given as  648.75 kip.ft

The normal moment capacityy

= 50 x 173

= 720.833 kip .ft

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The recursive solution that a person can use to be able to draw Mickey Moose instead of Mickey Mouse is given below

In computer science, recursion may be a strategy of tackling a computational issue where the arrangement depends on arrangements to littler occurrences of the same issue.

Therefore, This arrangement takes after a comparable structure to the initial code, but rather than drawing three circles, it recursively calls the draw work four times with littler sweep values to draw the four "horns" of Mickey Moose. The base case remains the same: in case the sweep is underneath a certain limit, the work returns without drawing anything.

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A minimum of 6 inches of tendon tail must be available at the stressing end.

This ensures that the post-tensioning process can be completed effectively and safely, with enough space for the necessary equipment and procedures.

It is important to follow this requirement to ensure the structural integrity and longevity of the concrete element being post-tensioned.
This length ensures that there is enough material to securely anchor the tendon and allows for proper stressing during the post-tensioning process.

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False. While the weight and stiffness of a building do play a role in how it will respond to seismic activity, it is not necessarily preferable for a building to be heavy and stiff in a high seismic region. In fact, heavy buildings can actually experience more severe damage during an earthquake due to the greater forces involved.

Instead, it is important for buildings to be designed with appropriate levels of stiffness and flexibility to effectively absorb and dissipate seismic forces. This can include features such as reinforced concrete walls and beams, and base isolation systems that separate the building from the ground to reduce the transfer of seismic energy.

Additionally, proper construction techniques and adherence to seismic building codes can also help to mitigate earthquake damage. Ultimately, the most important factor in reducing earthquake risk is careful planning and design based on a thorough understanding of the local seismic hazards.

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The entropy of 2 moles of and ideal gas expanding freely to 3 times it's initial volume is 18.3J/k

The following formula is required:

∆S = nx R x ℓn x (Vf/Vi)

Where

n = number of moles of gas (n = 2)

R = gas constant (R = 8.314 J/(mol * K))
Vf = final volume (Vf = 3.V1)

Vi = intial volume

Vi = 1L (Asumption )

∆S = 2 x 8.314 x 1.099

∆S =18.3 j/K

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Translation:

Calculate the entropy of 2 moles of an ideal gas expanding freely to three times its initial volume, use: ∆S =n・R・ℓn (Vf / Vi)

The most common type of causal relationship in regards to health conditions is the one where multiple factors contribute to the development of the condition. This type of relationship is often referred to as a multifactorial or complex relationship.

It is believed that most health conditions, including chronic diseases such as heart disease and diabetes, have a multifactorial relationship. This means that there is not one single cause, but rather a combination of genetic, environmental, and lifestyle factors that contribute to the development of the condition. Understanding this complex relationship is important in developing effective prevention and treatment strategies for these health conditions. Many prevalent health issues, including diabetes, cancer, and heart disease, are thought to have a multifactorial causal relationship. Although addressing the different elements that contribute to these illnesses might be difficult, it is necessary for successful prevention and therapy.

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The currently accepted term to refer to network-connected hardware devices is "endpoint." This term refers to any device that is connected to a network, such as a computer, smartphone, or printer.

The term "host" typically refers to a server or mainframe computer that is responsible for managing network resources, while "client" typically refers to a software application that connects to a server to access those resources. The term "device" is a more general term that can refer to any piece of hardware, whether or not it is network-connected. The term "endpoint" has gained popularity in recent years due to the increasing importance of network security, as it emphasizes the idea that every connected device represents a potential point of entry for hackers or other malicious actors.

Overall, the term "endpoint" is widely accepted as the standard way to refer to network-connected hardware devices.

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The required inductance (in nl) to series resonate a load impedance of Z2 - 5-j80Q at an operating frequency of 5 GHz is 120.5 nH.

To solve for the required inductance (in nl) at an operating frequency of 5 GHz, we can use the formula for series resonance:
ω = 1/(LC)
where ω is the angular frequency (2πf), L is the inductance, and C is the capacitance. Since we are given Z2 = 5-j80Q, we can calculate the corresponding capacitance using:
C = 1/(ωZ2)
where ω is 2π(5x10^9) and Z2 is 5-j80Q.
Plugging in the values, we get:
C = 1/[(2π)(5x10^9)(5-j80)] = 0.1657 - j0.0026 nF
Now we can rearrange the formula for series resonance to solve for L:
L = 1/(Cω)
Plugging in the values, we get:
L = 1/[(0.1657-j0.0026)(2π)(5x10^9)] = 120.5 nH

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Concrete should not be poured in temperatures less than 40°F (4°C). When the temperatures are too low, the concrete will not set properly and can become weak and prone to cracking. In addition, the curing time will be extended, which can delay the construction schedule.

When pouring concrete in cold weather, special measures must be taken to ensure that the concrete sets properly. This includes using heated water and aggregates, insulating the forms, and covering the concrete with blankets or other insulating materials to retain heat. It is also important to note that concrete can be adversely affected by extreme temperatures in both hot and cold weather. In very high temperatures, the concrete can dry out too quickly and become prone to cracking. Therefore, it is important to consider the temperature and weather conditions when planning a concrete pour and take appropriate measures to ensure that the concrete sets properly and remains strong over time.

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False. Concrete is strong in compression but weak in tension.Concrete is a composite material made from cement, water, and aggregates such as sand, gravel, or crushed stone. It is widely used in construction due to its strength, durability, and versatility.

However, as mentioned earlier, concrete is weak in tension, meaning it can easily crack or break under tension or flexural stress. This is because concrete is a brittle material, and it does not have the ability to deform or stretch significantly before it fails.To address this weakness, reinforcement materials such as steel bars, wires, or fibers are added to create reinforced concrete, which has higher tensile strength than plain concrete. The reinforcement material is placed strategically in the concrete structure to provide additional strength and prevent cracks from forming or spreading. Reinforced concrete is widely used in various applications, including buildings, bridges, dams, and tunnels.Another method to address the weakness of concrete in tension is prestressing. This technique involves applying a compressive force to the concrete before it is subjected to tension, which effectively offsets the tension and increases the strength of the concrete.

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A safety factor in building construction allows for extra strength and durability to prevent structural failure. It typically ranges from 1.5:1 to 2.5:1.

In building construction, a safety factor refers to the extra capacity built into the design to ensure the structure can withstand loads and stresses beyond what it is expected to encounter in normal use. This includes factors such as wind, earthquakes, and other environmental forces. The safety factor is calculated by dividing the maximum load the structure can withstand by the actual load it is expected to bear. The resulting ratio, typically ranging from 1.5:1 to 2.5:1, ensures that the structure is strong enough to handle unexpected stress and prevent collapse. A higher safety factor provides greater assurance of structural integrity, but also increases construction costs.

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Sludge production is primarily dependent on the influent suspended solids load and the removal efficiency of the treatment process.

Based on the given operating characteristics, the daily primary sludge production for the WWTP can be calculated as follows:
Daily influent suspended solids load = Flow rate x Influent suspended solids concentration
= 2.00 [tex]m^{3}[/tex]/s x 179.0 mg/L
= 358.0 kg/d

Daily effluent suspended solids load = Daily influent suspended solids load x (100% - Removal efficiency)
= 358.0 kg/d x (100% - 47.0%)
= 190.06 kg/d
Daily primary sludge production = Daily influent suspended solids load - Daily effluent suspended solids load
= 358.0 kg/d - 190.06 kg/d
= 167.94 kg/d
The annual primary sludge production can be obtained by multiplying the daily production by the number of days in a year (365):
]Annual primary sludge production = Daily primary sludge production x 365
= 167.94 kg/d x 365
= 61,326.1 kg/yr
It is important to note that the specific gravity of fixed and volatile solids is not used in the calculation of sludge production. These parameters are typically used in the determination of sludge volume and mass, as well as in the estimation of biogas potential from sludge digestion.

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The output mass flow rate of the system can be determined using the law of conservation of mass.

According to the law of conservation of mass, the mass flow rate into the system must be equal to the mass flow rate out of the system. Therefore, we can equate the mass flow rate at the inlet (qi) to the mass flow rate at the outlet (qo).

Using the Bernoulli's equation, we can express the outlet mass flow rate (qo) in terms of the system variables:

qo = A * sqrt(2 * (P - P_pump) / P) * sqrt(2 * (h1 - h2 + R2 * qo^2 / A^2))

Simplifying this equation by assuming that the term R2 * qo^2 / A^2 is small compared to the other terms, we get:

qo = A * sqrt(2 * (P - P_pump) / P) * sqrt(2 * (h1 - h2))

Therefore, the output mass flow rate (qo) can be calculated as:

qo = A * sqrt(2 * (P - P_pump) / P) * sqrt(2 * (h1 - h2))

The output mass flow rate of the single-tank liquid level system is given by the equation qo = A * sqrt(2 * (P - P_pump) / P) * sqrt(2 * (h1 - h2)).

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To produce the intended output, we need to add a new line character after Line 2 and Line 4. This can be done by modifying the code as follows:

System. out.print("One"); // Line 1
System. out.print("Two\n"); // Line 2
System. out.print("Three"); // Line 3
System. out.print("Four\n"); // Line 4
This will produce the output:
OneTwo
ThreeFour

Intended output refers to the expected or desired result or outcome of a program, system, or process. It is the output that a developer or user expects to see when a particular input is given or a specific operation is performed.

In software development, the intended output of a program is usually defined in the form of requirements or specifications. These requirements outline what the program should do, what data it should process, and what results it should produce. Developers use these requirements to design and build the program and ensure that it produces the intended output when tested. In other fields, the intended output can refer to the desired result of a process or system. For example, the intended output of a manufacturing process might be a specific product with certain characteristics or specifications, while the intended output of an educational program might be students who have achieved certain learning outcomes or competencies. It is important to define the intended output clearly and precisely to ensure that the program or system meets its objectives and delivers the desired results.

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The open-loop transfer function of a system is a mathematical representation of the relationship between the input and output of a system without any feedback.

Without the specific transfer function, it's impossible to sketch the bode magnitude and phase plots, or determine the gain and phase margins of the system.

The Bode plot is a graphical representation of the frequency response of a system, with the magnitude and phase components plotted on logarithmic frequency scales.

To sketch the Bode magnitude and phase plots, we first need to convert the transfer function to its standard form.

Then, we can identify the frequency response characteristics of the system, including the cutoff frequency, poles and zeros, and resonant frequencies.

Using this information, we can sketch the Bode magnitude and phase plots for the system.

To verify our plots using MATLAB, we can use the built-in functions "bode" and "margin.

The "bode" function calculates the magnitude and phase response of the system and plots it on a Bode diagram, while the "margin" function calculates the gain and phase margins of the system.

The system gain margin is the amount of gain that can be applied to the system before it becomes unstable, while the phase margin is the amount of phase shift that can be applied to the system before it becomes unstable.

These margins are important indicators of system stability and can be calculated using the MATLAB "margin" function.

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We can use the following formulas to calculate the ABCD parameters of the transmission line:

Where R is the resistance per unit length, X is the reactance per unit length, B is the shunt admittance per unit length, and j is the imaginary unit.Using the nominal p circuit, the ABCD parameters of the transmission line are:A = cosh(gamma * d) = cosh((1 + j) * Z0 * d) = 1.135 + 0.6872jB = Z0 * sinh(gamma * d) = Z0 * sinh((1 + j) * Z0 * d) = 389.7 + 238.2jC = (1 / Z0) * sinh(gamma * d) = (1 / Z0) * sinh((1 + j) * Z0 * d) = 0.002632 - 0.004508jD = cosh(gamma * d) = cosh((1 + j) * Z0 * d) = 1.135 + 0.6872jwhere gamma is the propagation constant, Z0 is the characteristiimpedance of the line, and d is the length of the line in kilometers.The characteristic impedance of the line isZ0 = sqrt((R + jX) / Y) = 155.64 ohmsThe resistance of the line isR = R0 * (T / T0)^α = 0.0181 * (508 + 273) / (20 + 273)^0.4 = 0.0247 ohms/kmwhere R0 is the resistance at a reference temperature of T0 = 20°C, T is the conductor temperature in °C, and α is the temperature coefficient of resistance.The sending-end voltage isVs = Vr + Ir * Z = 230 kV + (300 MW / (3 * 218 kV * 0.9)) * (cos(cos^-1(0.9)) + j * sin(cos^-1(0.9))) * 100 km * (1 + j) * 152.39 ohms/km = 249.68 + 33.594j kVwhere Vr is the receiving-end voltage, Ir is the receiving-end currentand cos^-1 is the inverse cosine function.The percent voltage regulation is:%VR = (|Vs| - |Vr|) / |Vr| * 100%(a) For power factor of 0.9 lagging:Ir = 300 MW / (3 * 218 kV * 0.9) * (cos(cos^-1(0.9)) - j * sin(cos^-1(0.9))) = 997.8 - 238.13j AVs = 248.31 + 31.44j kV%VR = (|248.31 + 31.44j| - |218|) / |218| * 100% = 13.96%(b) For a power factor of unity:

Ir = 300 MW / (3 * 218 kV) = 727.45 AVs = 229.48 + 8.982j kV%VR =

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A blocked passage preventing oil from returning back to the tank is a situation where the flow of oil in a system is obstructed, causing disruption in the circulation of the fluid. This can occur due to several reasons such as debris accumulation, mechanical failure, or even incorrect installation of components.

The passage is an essential part of the oil system as it allows for the smooth flow of oil throughout the system, facilitating efficient lubrication, cooling, and power transmission. When this passage becomes blocked, it hinders the oil from returning to the tank, leading to potential issues such as overheating, increased wear and tear, and reduced system performance.

To resolve a blocked passage, it is crucial to first identify the cause of the blockage. Inspecting the system for any visible debris, wear, or damage can provide valuable insights into the root of the problem. Once the cause is determined, appropriate measures such as cleaning, repair, or replacement of the affected components can be taken.

Regular maintenance and inspection of the oil system are essential to prevent blocked passages and ensure the optimal performance of the system. This includes checking and replacing filters, monitoring oil levels, and ensuring proper installation of all components. By taking these preventive measures, one can minimize the likelihood of blocked passages and maintain the smooth and efficient operation of the oil system.

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The gaseous layers that envelop a planet or other celestial body make up its atmosphere.

Thus, About 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, and 1% are other gases. The troposphere, stratosphere, mesosphere, thermosphere, and exosphere are the atmospheric layers that contain these gases, and each is distinguished by its own characteristics, such as temperature and pressure.

The atmosphere shields life on earth from harmful ultraviolet (UV) radiation, insulates the planet to maintain a comfortable temperature, and prevents temperature extremes between day and night.

The convection that results from the sun's heating of the atmosphere's layers is what drives global air currents and weather patterns.

Thus, The gaseous layers that envelop a planet or other celestial body make up its atmosphere.

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To assign the largest value to the variable max, we need to compare the values of the char * variables name1, name2, and name3.

However, since we are working with strings, we cannot simply use the greater than or less than operators. Instead, we need to use the strcmp() function, which compares two strings and returns an integer value indicating their relative position in alphabetical order. Here's a possible fragment of code that accomplishes the task:
char *max = name1; // initialize max to name1
if (strcmp(name2, max) > 0) { // compare name2 to max
   max = name2; // if name2 is greater, assign it to max
}
if (strcmp(name3, max) > 0) { // compare name3 to max
   max = name3; // if name3 is greater, assign it to max
}

In this code, we first initialize the variable max to the value of name1. Then, we use the strcmp() function to compare name2 and name3 to max. If either of them is greater, we update max to the corresponding variable. At the end of the code, max will contain the largest string among the three variables.

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Answer:

C aka ways to improve compliance and sustainability

Explanation:

In this code, the user is prompted to enter their hours and rate. The `float()` function is used to convert the user's input to a float (a numeric data type).

If the user enters a non-numeric input, a `ValueError` exception will be raised, and the program will print an error message and exit gracefully using the `exit()` function.

Here's a sample code that uses try and except to handle non-numeric input gracefully:

```
try:
   hours = float(input("Enter Hours: "))
   rate = float(input("Enter Rate: "))
except ValueError:
   print("Error, please enter numeric input")
   exit()

pay = hours * rate
print("Pay: $" + str(pay))
```

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The most common post-tension cable tendons used today are made up of high-strength steel wires that are coated in a protective layer. The steel wires are twisted together to form a strand, and multiple strands are then twisted together to form a cable.

The steel wires used in post-tension cable tendons are typically made from high-strength, low-relaxation steel. These types of steel have high tensile strength and low elongation properties, which make them ideal for use in post-tensioning applications. The protective coating on the steel wires is usually made from a layer of epoxy or polyethylene, which helps to prevent corrosion and other forms of damage to the steel.

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Answer:

With an open center system, flow is continuous and pressure is intermittent – which is contrary to a closed center system where the flow is intermittent and the pressure continuous.

What is open hydraulic system?

An open loop hydraulic system is any system where all of the fluid starts at the reservoir and is returned to the reservoir. The pump takes in fluid from the reservoir, then sends the fluid to the valves and actuators, and then ultimately, back to the reservoir via a filter.

What is the main advantage of an open center hydraulic system?

It has the advantage of using a single central pump. Open-center hydraulics have more than one pump in stages that supply power to different applications as the needs arise. For example, in an open system, the tractor's steering and PTO would have separate pumps that supply the oil to make those important systems work.

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The Strength of a beam is inversely proportional to its length, directly proportional to its width, and proportional to the square of its depth. This relationship is described by various engineering formulas, such as the bending moment formula for beams.

A longer beam will have lower strength due to increased bending moment and deflection, while a wider beam will have higher strength as it can distribute the load over a larger area. Additionally, the depth of the beam plays a significant role, as the square of the depth is directly proportional to the moment of inertia, which affects the beam's resistance to bending. These relationships are important considerations in structural design and analysis to ensure the safe and efficient performance of beams in various load-bearing applications.

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True. Unreinforced concrete, also known as plain concrete, is a type of concrete that does not have any reinforcement, such as steel bars or fibers, to resist tensile stresses.

As a result, it has a very low tensile strength compared to its compressive strength. In fact, the tensile strength of unreinforced concrete is typically only about one-tenth to one-twelfth of its compressive strength. Therefore, it is important to consider the effects of tensile stresses on structures made of unreinforced concrete, especially in areas prone to earthquakes or other natural disasters. It is also important to properly design and reinforce concrete structures to prevent failure due to tensile stresses. The compressive strength of concrete, on the other hand, refers to its ability to resist compressive forces and is measured in pounds per square inch (psi). The compressive strength of concrete varies depending on several factors such as the type of cement, water-cement ratio, curing conditions, and age of the concrete. However, it is generally higher than the tensile strength of concrete.

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10 data points evenly spaced between 0 and 2 times the cutoff frequency (0 to 2fc) and calculate the impedance for each frequency using the above equations.

plot the impedance values on the y-axis and the frequency values on the x-axis to get the frequency response plot.

As an AI language model, I cannot see any circuit diagram or image you might have intended to attach.

I will provide you with some general information on RC low-pass filters.

In a simple RC low-pass filter, a resistor (R) and a capacitor (C) are connected in series.

The reactance of the capacitor and the impedance of the circuit can be calculated as follows:

Reactance of the capacitor:

Xc = 1 / (2πfC), where f is the frequency and C is the capacitance.

Impedance of the circuit:

Z = √(R² + Xc²)

The cutoff frequency of the filter is the frequency at which the reactance of the capacitor is equal to the resistance of the resistor, i.e. Xc = R.

The cutoff frequency can be calculated as follows:

Cutoff frequency:

fc = 1 / (2πRC)

To plot the frequency response of the filter, you can calculate the impedance of the circuit for different frequencies and plot them on a graph.

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