機器
abrasive
angle
blade
caucasian
caution
circle
craft
craftsman
cut
dangerous
detail
disc
electric
engine
equipment
fabric
factory
finishing
flame
grind
grinder
hand
heat
industrial
industry
iron
machinery
man
manual
manufacture
metal
metalwork
milling
motion
processing
safety
sharpening
spark
sparkles
speed
spin
steel
technology
tool
whirl
work
worker
workplace
workshop