浜辺
accident
aid
assistance
blue
boat
buoy
calling
circle
cruise
despair
diving
ed
emergency
equipment
float
floating
guard
help
inflatable
insurance
life
lifebelt
lifeguard
lifesaver
nautical
nobody
ocean
plastic
pole
protection
rescue
ringbuoy
safe
safety
sailing
save
saver
sea
security
shipwreck
sos
support
surface
survival
swim
swimming
travel
water
white