英文關鍵字
angle
blade
builder
circular
closeup
construction
craft
craftsmanship
cut
cutters
detail
dirty
disc
disk
equipment
flat
floor
frankfurt
gray
grinding
hand
hazardous
human
indoor
industrial
industry
interior
labor
machine
machinery
men
people
person
power
rock
sharp
stained
stone
technology
text
title
veils
wheel
white
work
workingtool
workshop