英文關鍵字
adult
assemble
auto
boy
car
caucasian
child
childhood
electric
elevator
equipment
family
father
fix
game
garage
help
indoor
job
kid
lift
lifting
man
mechanic
parent
part
people
piece
platform
play
power
repair
screw
screwdriver
service
son
spares
together
tool
toy
transport
two
vehicle
white
work
worker