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, 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

(originally US, informal) An ordinary person who works in a non-management position, especially one who works for wages rather than a salary.

plural of working stiff

present participle of work up

plural of working bee

Alternative form of walking beam

plural of working beam

present participle of work the hyphens