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In military architecture, a small bastion on a continuous parapet of a medieval fort; usually located in a large ditch […]

A portable tool having a powerdriven abrasive-coated continuous belt; used to smooth surfaces.

A machine used in excavation; a layer of earth is removed with a cutting edge or rotating auger; then the

Any machine powered by an external source connected to the machine by one or more belts.

A power-driven endless belt that runs on idler wheels; used to carry building materials, etc.

In the basement.

Recessed below ground level.

Small-diameter wire of low currentcarrying capacity; covered with insulating material rated at 30 volts or less.