機器
aggression
armed
armor
armored
army
attack
automobile
background
camouflage
car
classic
combat
conflict
dark
defender
defense
engineering
equipment
flat
force
green
heavy
illustration
industry
isolated
khaki
lorry
machinery
military
model
power
protector
rocket
silhouette
soldier
symbol
tank
technique
technology
traffic
transport
transportation
truck
vehicle
war
wartime
weapon
weaponry