In-nahal importanti hafna ghax minghajrhom ma nistax niehu l-ghasel meta nkun ma niflahx.
Michael jahdem man-nahaĺ u juza l-minfah biex jitfa d-duhhan u jikkalma n-nahal.
Bl-ghasel nistghu naghmlu hafna ikel bhal qaghaq tal-ghasel, prodotti tas-sbuhija u krema tal-wicc.