Modern Designs
A new style of can opener emerged in the 1980s. Whereas most other openers cut the can from the top, these cut the can from the side, just below the rolled rim. The can is left with a relatively safe edge, unlikely to cause cuts. The feed wheel teeth have a somewhat finer pitch than those of earlier designs and reside at the bottom of a V-shaped groove, which surrounds the rim on three sides at the point of action.
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“My own thoughts
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