機器
black
brush
button
clamp
design
device
electricity
electrode
equipment
freehand
gas
gear
glove
gouge
helmet
icon
illustration
instrument
isolated
job
lightning
line
manual
marker
mask
measure
metal
mig
occupation
outline
pack
pencil
power
profession
rod
spark
steel
stick
tank
thin
tig
tool
torch
valve
wear
weld
welder
wire