機器
artisan
blade
circle
construction
craft
cut
diamond
disk
drill
electric
engineering
equipment
fire
flash
grinder
grinding
hand
heat
industry
iron
manpower
manual
mechanic
metal
occupation
part
plant
power
processing
production
protection
repair
rotate
rotation
round
safety
saw
spark
speed
steel
technical
technology
tool
turning
welder
welding
work
worker