General

General

baptistery

A building or part of one wherein the sacrament of baptism is administered.

General

back fillet

The return of the margin of a groin, doorjamb, or window jamb when it projects beyond a wall. 

General

bag, sack

A quantity of portland cement: 94 lb in the United States, 87.5 lb in Canada, 112 lb (50.8 kg) in

General

bag plug

An inflatable drain stopper; when inflated, it acts to seal a pipe; usually located at the lowest point of the

General

bacterial corrosion

A corrosion which results from substances (e.g., ammonia or sulfuric acid) produced by the activity of certain bacteria

General

badger

1. A tool used inside a pipe or culvert to remove excess mortar or deposits. 2.A badger plane .

General

badger plane

A hand plane, the mouth of which is cut obliquely from side to side, so that it can work close

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