Operate or tend low-pressure stationary steam boilers and auxiliary steam equipment, such as pumps, compressors, and air-conditioning equipment, to supply steam heat for office buildings, apartment houses, or industrial establishments; to maintain steam at specified pressure aboard marine vessels; or to generate and supply compressed air for operation of pneumatic tools, hoists, and air lances.
1992 employment: 18,000 Projected 1992-2005 employment change: Expected to decline
Reprinted with Permission of U. S. Department of Labor