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General

board butt joint

In shotcrete construction, a joint which is formed by sloping the gunned surface to meet a board laid flat.

General

board and brace

A type of carpentry work consisting of boards which are grooved along both edges and have thinner boards fitted between

General

blushing

A white or grayish cast on high-gloss paint; results from the precipitation of binder solids owing to incompatibility with water,

General

bluing

The addition of a small amount of clean blue colorant to a white paint to promote the visual perception of

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blue top

A stake which is driven into the ground, the top of which indicates the grade level.

General

bluestone

A hard, fine-grained, commonly feldspathic and micaceous sandstone or siltstone of dark greenish to bluish gray color that splits readily

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