button

red

signaling

danger

safety

indoors

equipment

white

wall

protection

security

interior

home

pressure

rescue

emergency

safe

prevention

background

safeguard

precaution

object

fire

protect

building

house

nobody

accident

industrial

help

sign

symbol

system

alarm

warning

alert

disaster

hazard

room

siren

burn

call

dangerous

extinguish

smoke

activate

evacuation