英文關鍵字
adult
authentic
auto
builder
bus
business
car
caucasian
control
drive
driver
employee
engineer
fast
foreman
hand
hard
hat
helmet
highway
human
indoor
inside
interior
job
male
man
men
minivan
motorway
move
one
people
professional
repairman
road
service
speed
steering
technician
traffic
transport
transportation
vehicle
wheel
work
worker