concept

construction

craftsman

danger

electric

equipment

fabrication

factory

glove

gloves

hand

heat

hot

improvisation

industrial

industry

iron

job

join

labor

light

machine

man

manual

manufacture

manufacturing

mask

metal

metalwork

people

person

production

protection

protective

repair

safety

skilled

smoke

spark

steel

technical

technology

tool

trained

uniform

welded

welder

welding

work

worker

workshop