General

General

backup rod

A strip of plastic foam that is inserted in a joint to limit the penetration of sealant into the joint.

General

backup strip

A piece of wood at the corner of a ceiling and side wall; serves as the mounting for the ends

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

General

badigeon

A filler or patching material used in masonry or wood work.

General

baffle

1. A plate used to control the flow of a liquid. 2. An opaque or translucent plate used to shield

General

backplate

A plate, usually metal or wood, which serves as a backing for a structural member

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