機器
accident
ambulance
armed
armor
armored
armoured
army
attack
automobile
battle
car
conflict
danger
design
fighting
forces
gun
heart
heavy
illustration
isolated
line
machinery
medic
medical
medicine
military
paramedic
power
rescue
safety
service
silhouette
style
symbol
tank
technology
top
track
transport
transportation
treatment
truck
vehicle
war
weapon
world