機器
action
confined
construction
cut
cutting
detail
die
disc
electric
energy
engineering
equipment
factory
fire
flame
flaming
grind
grinder
heat
hot
industrial
industry
iron
laser
light
line
macro
manual
manufacturing
metal
occupation
part
power
production
protection
roof
round
site
spark
sparks
speed
steel
storage tank aerospace
technology
tool
welding
work
worker