General

An auxiliary fan which increases the air pressure in a system; used to provide additional capability to handle peak exhaust […]

A hoist which has a spar attached to a mast; used to lift and move a load.

1. A cantilevered or projecting structural member (such as a beam or spar) which is used to support, hoist, or

In a construction contract, a provision that permits a bonus payment, by the owner to the contractor, for early completion

A provision in the construction contract for payment of a bonus to the contractor for completing the work, 1 prior

A tile that resembles a womans bonnet; used to cover the hip on a hip roof.

(Brit.) In surveying, locating and driving pegs in the ground so that their tops are in a line marking a