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___ states, “The training requirements contained in this section apply to employees who face a risk of electric shock that is not reduced to a safe level by the electrical installation.”

Surge tanks are vented to the atmosphere and commonly lined with an epoxy coating to prevent corrosion.

___ are pollution standards for six priority pollutants set by the Environmental Protection Agency through the Clean Air Act.

A variable-speed drive (VSD) is a motor controller used to vary the frequency of the electrical signal supplied to an AC motor in order to control its rotational speed.

___ states, “The training requirements contained in this section apply to employees who face a risk of electric shock that is not reduced to a safe level by the electrical installation.”

Surge tanks are vented to the atmosphere and commonly lined with an epoxy coating to prevent corrosion.

The words “stack” and “chimney” are often used interchangeably when referring to the structure used to direct the flow of gases of combustion from a boiler to the atmosphere.

The two types of draft produced in a boiler are mechanical and forced.

The two types of draft produced in a boiler are mechanical and forced.

Water transports heat more efficiently with less temperature loss over distances than air.