機器
abstract
active
activity
adult
adventure
atv
bike
competition
cross
dangerous
drive
extreme
fast
four
fun
hobby
leisure
man
motocross
motor
motorcycle
motorized
off
person
power
powerful
pursuit
quad
race
recreational
ride
rider
road
scribble
silhouette
sketch
sport
sportsman
terrain
tires
traction
transport
transportation
utility
vehicle
wheel