Opening Pull Tab Aluminum Cans
| Field | Food and Drink |
| Went Obsolete | early 1980s |
| Made Obsolete By | stay tabs  |
| Knowledge Assumed | The finesse to remove the tab from the can without spilling contents, and the intelligence not to swallow the tab one has dropped into the can. |
| When useful | visiting parts of China and the Middle East |
A broad history of beverage cans may be perused on this Wikipedia entry.
