aid
assistance
background
belt
blue
buoy
circle
color
danger
device
emergency
equipment
float
guard
help
insurance
life
lifebuoy
lifeguard
lifesaver
nobody
object
orange
plastic
pool
preserve
preserver
problem
protect
protection
red
rescue
rescuer
resort
ring
round
rubber
safe
safety
save
saver
security
sos
summer
survival
swim
swimming
throw
vacation
water