A coupling that connects two shafts by means of a magnetic field.

A measure of the quantity of magnetism in a magnetic field.

A naturally occurring mineral (Fe3O4) that has magnetic properties such as the ability to attract other magnetic materials and is affected by the earth's magnetic field.

The part of the system that collects steam from boilers and then distributes the steam to wherever it is needed.

The valve at the steam outlet of the boiler drum on the main steam line, used to isolate the boiler.

A large, powerful computer, often serving several connected terminals.

Water added to a process to make up for losses due to leaks, blow-downs, etc.

The property of a material that allows it to be hammered into shape without fracturing.

An opening though which a person may enter the drum in order to do maintenance or inspections.

A fire alarm initiating device that requires manual activation.

The amount of matter in a body. Mass is a constant value no matter where the body is located. The mass of an astronaut in outer space remains the same as when on earth. (Symbol: m; units: kilogram, kg).

Supplier prepared information that provides basic technical information about a product's physical characteristics and its hazardous properties.

That which has mass and occupies space.

The maximum pressure permissible at the top of the vessel in its normal operating position, at the operating temperature specified for that pressure.

The multiplication of effort that a machine provides. It permits a heavy load to be lifted by a smaller effort.