機器
allowed
ban
bike
biker
chopper
custom
cycle
danger
disallowed
drive
energy
engine
fashion
forbid
forbidden
freedom
icon
information
motor
motorbike
motorcycle
motorcyclist
no
not
power
prohibit
prohibition
race
restrict
restricted
restriction
restrictive
ride
rider
road
sign
speed
sport
stop
symbol
traffic
transport
transportation
travel
vehicle
warning