引用:
原帖由 Hkpolice-Psu 於 15-4-2011 10:29 發表
entirely from aluminium will be very expensive.
and i've discover somehow there have some bottom of softdrink can are much harder than others.
seems Nestea's can is much harder than the one of Pepsi...
my gun cannot break the bottom of the Nestea can but can pierce the Pepsi can's bottom easily...