英文關鍵字
activity
adult
bicycle
bicycling
bike
biker
biking
caucasian
chain
competence
cycle
cyclist
detail
equipment
fix
fixing
frame
gear
hands
maintenance
male
man
mechanic
metal
part
parts
pedal
profession
repair
repairer
repairing
repairman
saddle
service
serviceman
shop
sport
steel
tire
tool
tools
tyre
wheel
work
worker
workshop
wrench
young