機器
aluminum
アルミニウム
automated
cnc
cutter
cutting
drilling
engineering
equipment
fasteners
gear
hard
heavy
industrial
industry
instrument
lathe
machinery
machining
manufacture
manufacturing
metal
metalwork
metalworking
milling
modern
pattern
pinion
process
processing
production
rod
round
screw
shaft
spiral
stainless
steel
technology
thread
threaded
tool
tube
turning
work
workshop