機器
aggression
arm
armed
armor
armored
armour
armoured
army
artillery
battle
blue
camouflage
cannon
clear
closeup
cloud
conflict
danger
defense
diesel
engine
engineering
fire
green
gun
headlight
heavy
mechanics
military
motor
old
outdoor
parked
power
powerful
sky
steel
tank
track
transport
transportation
trunk
vehicle
war
warfare
weapon
wheel