aluminium can有咩好處同壞處??

aluminium can

好處
1. Light weight
2. Sturdy and can withstand carbonated soda pressure
3. Low production cost
4. Easily recyclable
5. Abundant


壞處

1. Not biodegradable
2. Can cut us easily due to the thin layer of metal
3. Cannot be used in a microwave
4. Relatively easier to crush than bottles
5. Cannot hold hot liquid

Production cost of aluminium can is relatively higher than many common metal, such as iron.
好處3 may change to high resistance to corrosion becuase of the AlO3 layer.