機器
紡錘
carbide
circle
circular
diamond
disc
drill
engineering
equipment
fabric
factory
finish
fire
garage
gear
grinding
hair
hand
industrial
industry
internal
iron
light
machinery
manual
manufacturing
mechanic
metal
metalworking
part
plan
precision
process
processing
production
protection
rotation
round
sawing
sharpen
spark
steel
technology
tool
turning
water
wheel
work
workshop