<P> A long building at a shipyard with a considerable floor area on which the lines produced by a naval architect can be laid off in their full dimensions . After that the full - size drawings can be copied with the aid of wooden moulds to which, in turn, the steel frames or, in the case of wooden vessels, the hull moulds, are fashioned (see lofting). </P> <P> An elevated area or gallery in a shipyard where workers stand while fitting rigging . </P> <P> A large, open, high ceilinged space where parachute riggers re-pack parachutes into parachute containers . </P> <P> A large open space used by sailmakers to make sails . The floor has to be big enough to lay out the sail as the canvas is marked and cut ready for sewing . </P>

What is the difference between a loft and a den