Please see http://www.answers.com/Q/What_is_a_can_opener
How would you open cans without one
A can opener.
To open cans.
"assuming we have a can opener", means: Knowing we have a can opener. Assuming means accepting without proof something is true or sure to happen. A can opener is a tool that can open cans and tins.
to open cans u crakhead!
They are used to open cans.
With a hammer and a knife.
A regular can opener may struggle to open a number 10 can, which is larger and heavier than standard cans. Number 10 cans typically require a commercial or heavy-duty can opener designed for larger sizes. If using a regular can opener, ensure it is sturdy enough and has a wide enough cutting mechanism to handle the can’s thickness. If not, investing in a proper can opener for larger cans is advisable.
To open cans electrically, instead of using a manual crank.
A kitchen without a can opener is like a boat without an anchor
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so you can get to the liquid inside of the bottles.