assembly

blue

construction

control

employee

employment

engineering

equipment

fabrication

factory

fire

garment

glove

industrial

industry

iron

job

light

male

man

manual

manufacture

manufacturing

mask

metal

occupation

one

performance

person

production

protection

quality

repair

safety

skill

smoke

spark

sparks

steel

technical

technician

technology

tool

weld

welder

welding

work

worker

workers

working