浜辺
aboard
aid
assistance
belt
buoy
circle
concept
crisis
emergency
equipment
first
help
inflatable
insurance
isolated
life
lifebelt
lifeguard
lifesaver
lifesaving
nautical
object
protect
protection
red
rescue
ring
safe
safety
sailing
salvation
save
saving
sea
secure
security
service
ship
shipwreck
sos
success
support
survival
swim
swimming
urgency
vessel
water
white