The pressure that something that operates under and contains pressure normally works at; the specified maximum working pressure is set below the test pressure.

(rail transport) a train run for the purpose of maintenance and repair of railway track.

plural of work train

(rail transport, UK) a set of timetables for the internal use of railway operating staff, which show all planned train movements in a given area.

plural of working timetable

Masonry in stones of a specified size.

plural of lattice-work

The art of decorating using a stencil. / A decoration so produced.

(mining) The construction of passages, air-shafts, etc.

Russian decorative niello work