機器
accuracy
aged
background
control
controls
craft
detail
dirty
disk
engineering
equipment
factory
gear
grunge
handle
hardware
heavy
industrial
industry
instrument
iron
lathe
lever
machinery
machining
manual
manufacture
manufacturing
mechanic
mechanical
mechanism
metal
metalwork
precision
processing
production
repair
rotate
rotation
steel
technical
technology
tool
turn
valve
wheel
work
workshop
yellow