F
Face Piece. Timber on fore part of knee of head to allow for shortening of bolts and for simplifying fitting of main piece.
Factor of Safety. Number that represents breaking strength as compared with safe working load. In propeller shafts it is about 6; in shell plating 4 ½ ; in piston rods 12.
Factory and Workshops Act, 1901. Main Act under which 'Docks Regulations' derive' their authority.
Faculae. Unusually bright patches sometimes observable near Sun's limb.
Fading. Falling off in strength of a radio signal. Due to variations in atmospheric path.
Fag (Fagg) End. Unlaid end of a rope. 2. Old name for a young and inexperienced seaman, to whom odd jobs were given.
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