Binnacle is defined as the mount for the compass, usually located on the wheel's pedestal.

 

Bow is a term which can refer to:

1. The forward or front end of a boat , asused in boat sailing term
2. The variation from a straight line in the vertical plane of a roll formed piece. It can be eitherCross bow or longitudinal bow, as used in roll forming , corrugating, and metal fabricating processes

Book-sewing machine operator is a person who sets up and operates machine to sew gathered and collated signatures (pages) into book form for binding; pulls thread through lubrication box, thread guides, and needle to thread machine, and soaks bobbins of thread in water to lubricate thread;

Button is described as a small cylindrical die steel with an opening larger than the punch point size, generally by a percentage of the thickness of the material being pierced.

Base metal is the collective term for any and all non-precious metals. It refers to any of the more common and more chemically active metals, example leadcopper;

Blue swimming crab (Portunus pelagicus) is a hairy crab refers to a square shaped carapace, a little longer than wide, markedly convex and uneven, bearing four sharply edged epigastric lobes.

Bituminous coal is characterized as a dense coal, usually black, sometimes dark brown, often with well -defined bands of bright and dull material , used primarily as fuel in steam-electric power generation, with substantial quantities also used for heat and power applications in manufacturing and to make coke.

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