機器
マスキング
arm
armor
army
background
barrel
battle
button
cannon
combat
conflict
death
defense
design
engine
fight
fire
flat
force
forces
front
graphic
gun
hard
heavy
icon
illustration
isolated
land
linear
long
military
power
shadow
shoot
sign
simple
style
symbol
tank
technology
track
transport
transportation
vehicle
war
wartime
weapon