英文關鍵字
bicycle
bike
brake
business
care
chain
closeup
construction
cycle
engine
equipment
fix
fixing
frame
gear
hand
industry
machine
maintenance
male
man
master
mechanic
metal
motor
mountain
old
part
pedal
profession
professional
repair
repairman
repairs
service
shift
shop
speed
sport
steel
store
technician
tire
tool
transmission
transportation
wheel
white
work
worker
workshop