arc

armor

auto

circle

closeup

construction

cut

cutting

electric

electrode

engine

engineering

factory

icon

industrial

industry

iron

light

machine

manufacture

manufacturing

mask

mechanic

metal

metalworking

mining

motor

off

old

pieces

pipe

power

production

protection

repair

safety

scale

seam

skill

soot

spark

spray

steel

technology

tool

transportation

two

using

vehicle

vice

welder

welding

welds

work

worker

workshop