-tə(r)mən, -ˌman noun
( plural centermen )
: a worker who uses plumb bobs to locate the center line of underground mine openings and marks them so that the openings (as entries, rooms, and haulageways) can be driven in a straight line
-tə(r)mən, -ˌman noun
( plural centermen )
: a worker who uses plumb bobs to locate the center line of underground mine openings and marks them so that the openings (as entries, rooms, and haulageways) can be driven in a straight line
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012