can opener
a handle metal blades or a gear wheel a mechanism for piercing the lid of a can a lever to open and close the can opener a sharp tip to puncture the metal lid a magnet to hold the lid after opening
can opener which is a handle can opener which has metal blades or a gear wheel can opener which is a mechanism for piercing the lid of a can can opener which is a lever to open and close the can opener can opener which is a sharp tip to puncture the metal lid can opener which is a magnet to hold the lid after opening