機器
紡錘
accuracy
bit
brown
closeup
cog
cut
cutter
cutting
detail
drill
engineering
equipment
factory
gear
hob
hole
industrial
industry
instrument
lathe
machinery
machining
macro
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
mill
miller
milling
operate
precision
production
quality
shaving
stainless
steel
technology
toned
tool
tooling
turning
work
workpiece