metal

light

natural

steel

protection

man

industrial

join

line

smoke

building

construction

industry

occupation

work

job

fire

heat

helmet

safety

production

manufacturing

flash

manual

Arc

skill

worker

mask

gas

technical

making

manufacture

trained

factory

spark

fix

craftsman

skilled

welding

shipyard

assembly

labor

laborer

welder

metalwork

welded

fabricate

improvisation

prefabricate

erecting