浜辺
aid
background
belt
boat
boating
buoy
circle
color
danger
emergency
equipment
float
guard
hanging
help
life
lifebuoy
lifeguard
lifesaver
maritime
nautical
object
ocean
orange
pool
preserver
protect
protection
red
rescue
ring
risk
river
rope
round
safe
safety
save
saver
sea
security
sos
survival
swimming
torus
wall
water
white
wooden