Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4276948 | Microwave oven cooking time scale A microwave oven cooking time scale for predetermining cooking time for a known amount of food to reach a predetermined temperature for a predetermined heating efficiency of the food in a microwave oven. The microwave oven cooking time scale includes a ba... | 07/07/1981 |
