機器
alloy
automated
background
business
center
closeup
cnc
construction
cutter
cutting
design
detail
drill
drilling
engineering
equipment
factory
hard
hole
industrial
industry
iron
lathe
machinery
machining
manufacture
manufacturer
manufacturing
metal
metalwork
metalworking
precision
process
processing
production
shaft
shaving
stainless
steel
tap
technology
texture
thread
tool
tooling
turn
turning
work
workshop