Nyssa introduces Nadia to the inflation of hot water bottles. Nadia at first does not believe that it is possible to blow such things up by mouth, but Nyssa has experienced it before. She provides Nadia a hose assembly that makes doing so safe, and both begin by blowing their respective samples to the size of a playground ball. Then Nyssa adds an element of competition by suggesting that the two exchange hot water bottles, sit on them, and blow them until they burst! This means that the "loser" will fall to the floor after her hot water bottle explodes, but not necessarily that she won't ge...

Nyssa introduces Nadia to the inflation of hot water bottles. Nadia at first does not believe that it is possible to blow such things up by mouth, but Nyssa has experienced it before. She provides Nadia a hose assembly that makes doing so safe, and both begin by blowing their respective samples to the size of a playground ball. Then Nyssa adds an element of competition by suggesting that the two exchange hot water bottles, sit on them, and blow them until they burst! This means that the "loser" will fall to the floor after her hot water bottle explodes, but not necessarily that she won't get some measure of revenge, provided that she still has some "puff" left at that point in time.