英文關鍵字
builder
chimney
construction
control
craftsman
ecology
electric
electricity
electropower
energetic
energy
engineer
enterprise
fabric
facility
factory
fitter
foreman
foremaster
heat
heating
industrial
inspection
inspector
maintenance
man
manufactory
master
people
personnel
pipeline
piping
plant
pollution
powerman
specialist
staff
station
supervision
taskmaster
technician
toiler
tubing
wireman
worker
workforce
working
workman
workpeople
workplace