The girls in the Breakwater Club learn how to float properly just in case they ever fall into the ocean. Later on, Hina goes to battle with a heron, but then notices it has a fishing line tangled around its leg.
You can even use a water
bottle as a flotation device.
حتى أنه يمكنك استعمال قنينة الماء 
.كجهاز طفو
Plastikflaschen kann man
als Schwimmhilfen benutzen.
Pueden usar una botella de agua
como flotador.
Une bouteille peut servir de flotteur.
Pode-se usar até garrafas como
dispositivos de flutuação.