機器
accessories
accuracy
background
construction
control
cutter
cutting
cutting head
cutting machine
drill
electric
electrical
engine
engineering
equipment
fastening
industrial
industry
iron
isolated
knives
lathe
manufacturing
mechanical
metal
metalworking
mobile
nobody
object
part
pipe
pipe thread
plumbing
power
precision
red
render
screw
spiral
stainless
steel
technical
technology
thread cutting machine
threading
tool
tube
white background
workshop