浜辺
aid
assistance
background
belt
boat
bridge
buoy
circle
concept
device
first
float
guard
health
help
lake
life
lifebelt
lifebuoy
lifeguard
lifesaver
object
orange
personal
pier
preserve
preserver
protection
red
rescue
rescuer
ring
ringbuoy
rope
round
rubber
safe
safety
save
saver
security
shipwreck
sos
stack
swimming
white
wooden