air

atmospheric

breather

builder

contamination

ecology

electric

electrical

energetic

engineer

engineering

enterprise

fabric

facility

factory

gas

goggles

hard

hat

headpiece

helmet

industrial

industry

inhaler

maintenance

man

manufactory

mask

people

plant

pollution

power

powerman

protection

protective

respirator

senior

specialist

station

suit

technical

technique

technology

toiler

work

worker

workforce

working

workman

workpeople