機器
aggression
armed
armor
armored
armour
armoured
army
artillery
background
battle
black
camouflage
caterpillar
chain
closeup
combat
conflict
detail
disc
equipment
force
gear
green
heavy
industry
iron
machinery
metal
military
old
part
power
protection
repair
soviet
steel
tank
technology
tire
track
tracked
transport
transportation
tread
vehicle
war
weapon
wheel