英文關鍵字
adjustable
architecture
background
blue
board
bolt
building
construction
defending
defense
duty
empty
engineer
equipment
gear
glove
group
hammer
handle
hardhat
hardwood
hat
headwear
heavy
helmet
house
improvement
industrial
instrument
job
maintenance
measurement
nobody
objects
occupation
plastic
protection
protective
red
safe
safety
security
set
slowmo
slowmotion
stepladder
tool
tools
work