blue

equipment

metal

person

sparkle

light

steel

protection

man

dangerous

industrial

join

technology

construction

industry

hot

occupation

work

tool

job

safety

manufacturing

flash

manual

iron

torch

engineering

skill

workshop

worker

mask

builder

technical

manufacture

workplace

factory

spark

craftsman

skilled

welding

electrode

labor

laborer

welder

metalwork

welded

weld

fabrication

electric arc

voltaic arc