燃やす
accident
aid
alphabet
background
care
caution
chemical
damage
danger
degree
destruction
effect
electrical
electricity
emergency
energy
fire
first
flame
flammable
friction
grid
heal
health
heat
help
hot
hurt
ignite
injury
letter
medication
pain
radiation
risk
safety
skin
steam
sun
temperature sensor
thermal
tile
tissue
treatment
ultraviolet
white
word
wound
wound dressing