accessory
accident
aid
art
assistance
axe
buoyancy
caution
compressed
concept
cone
cylinder
device
emergency
equipment
evacuation
extremal
firefighting
float
flotation
gas
gear
handy
helmet
help
illustration
instrument
isolated
jacket
life
object
operation
orange
personal
protective
rescue
safety
saving
set
special
supply
support
survival
tool
urgency
urgent
useful
valve
wear