機器
accuracy
automatic
band
bar
blade
business
coolant
cooling
craft
cut
cutter
cutting
detail
device
electric
engineering
equipment
factory
hacksaw
heavy
industrial
industry
iron
machinery
manufacture
manufacturing
mechanical
metal
metalworking
object
oil
pipe
plant
power
precision
process
processing
production
saw
sawing
sharp
steel
technology
tool
tooth
wood
work
workpiece
workshop