機器
armed
armor
armored
armoring
armour
armoured
army
artillery
background
barrel
battle
black
camouflage
cannon
caterpillar
close
closeup
combat
conflict
detail
equipment
fight
force
green
gun
heavy
industry
iron
machinery
metal
military
old
power
soviet
steel
tank
tank caterpillar
technology
tire
track
tracked
transport
transportation
truck
turret
vehicle
war
weapon
wheel