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