architect

builder

construction

craftsman

drawing

electrical

energetic

energy

engineer

engineering

enterprise

fabric

facility

factory

fitter

foreman

foremaster

heat

heating

industrial

maintenance

man

manufactory

master

people

personnel

pipeline

piping

plant

power

powerman

project

specialist

staff

station

supervision

taskmaster

technical

technician

technique

technology

toiler

tubing

wireman

worker

workforce

working

workman

workpeople

workplace