accident
aid
belt
blue
boat
bright
buoy
color
concept
danger
device
drown
emergency
equipment
float
floatation
help
life
lifebelt
lifebuoy
lifeguard
lifesaver
lifesaving
nautical
object
ocean
orange
pool
preserver
prevention
protection
rescue
ring
risk
round
rubber
safe
safety
sailing
save
saver
saving
sea
security
ship
sos
survival
swim
swimming
water