機器
circle
circular
construction
cut
diamond
die
discmanufacture
disk
drill
electric
engineering
equipment
factory
flash
grind
grinder
hand
hot
industrial
industry
iron
laborer
light
manual
manufacture
manufacturing
mechanic
metal
part
power
production
protection
rotate
round
safety
saw
spark
speed
spin
steel
technical
technology
tool
treatment
turning
welding
wheel
work
worker