英文關鍵字
blade
construction
craft
detail
domestic
electric
engineering
equipment
factory
grind
grinder
hand
heavy
home
homemade
industrial
industry
instrument
machine
made
male
man
manual
manufacture
manufacturing
material
mechanical
metal
metalwork
metalworking
milling
occupation
operating
operator
polish
polishing
precision
process
processing
production
professional
repair
sander
shaft
sharpening
standing
steel
technology
tool
turning
wheel
work
workplace
workshop
yard