浜辺
aid
background
boat
bright
buoy
buoyancy
circle
color
danger
design
device
emergency
equipment
float
floating
flotation
help
jacket
life
lifebelt
lifebuoy
lifeguard
lifesaver
object
orange
personal
pink
preserver
protection
rescue
rescuer
ring
round
safe
safety
save
saver
security
swim
swimming
vest
water
wear