機器
circular
construction
creative
cut
detail
disc
disk
electric
engine
engineer
equipment
factory
flash
grind
grinder
grinding
handmade
industrial
industry
iron
manual
manufacture
manufacturing
master
mechanic
metal
metallic
metalworking
power
production
protection
safety
scintillas
shine
speed
spin
steel
technical
technology
tool
welding
wheel
work
worker
workshop