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 |
| 7822709 | Building management A building events status network for monitoring building events such as the reporting of equipment failure and visits by third parties to a plurality of buildings replaces the traditional paper logs by providing at least one site terminal with a unique address at ea... | 10/26/2010 |
