英文關鍵字
background
bag
black
bolt
building
chrome
closeup
construction
drill
drilling
equipment
fix
fly
flying
footage
group
head
industrial
industry
iron
isolated
jump
loop
lot
macro
maintenance
malt
many
mechanic
metal
metallic
motion
nail
object
pattern
pile
poured
rapid
rotate
screw
screwing
screws
seamless
selftapping
shiny
silver
slow
slowmotion
small
steel
tapping
tool
white
work
workshop