機器
arc
automatic
automation
automotive
cage
clamp
close up
cnc
crwm
cutter
electric
electrode
factory
fixation
flash
gas
heating
industrial
industry
inner
internal
longitudinal
machinery
manufacturing
mechanic
metal
metallurgy
milling
pipe
pipeline
piping
plant
plasma
roller
seam
shielded
shine
smelt
spark
steel
tack
technology
tool
tube
weld
welding
wires
work
workshop