英文關鍵字
abrasive
blade
bluecollarmay18
closeup
cropped
diy
electric
electrical
engineering
equipment
factory
footage
grind
grinder
grinding
handmade
hands
indoors
industrial
industry
iron
job
knife
lathe
machine
man
manual
manufacture
manufacturing
metal
occupation
partial
people
person
precision
profession
sharp
skill
sparkle
sparks
strength
tools
work
workman
workshop