機器
business
closeup
cnc
cog
cogs
design
detail
duty
element
engine
engineer
engineering
equipment
facility
factory
fine
fix
gear
gearing
gears
high performance
industrial
industry
instrument
iron
job
machinery
mechanic
mechanical
mechanics
mechanism
metal
occupation
part
precise
precision
professional
spare part
steel
steel gear
technician
technology
teeth
tool
wheel
work
workman
workplace
workshop