| 摘要 |
A vacuum cleaner powered by compressed air includes a canister forming an internal collection chamber for collecting liquid and debris sucked up by the vacuum cleaner. The vacuum cleaner includes a drain at the bottom of the collection chamber from which liquid and debris collected in the collection chamber of the vacuum can be drained, when desired, and may also provide for pressurizing the collection chamber for forcing liquid sucked up into the vacuum cleaner through a hose from the drain to a liquid collecting drum or tank. This makes draining the vacuum cleaner collection chamber much easier that in other vacuum cleaners. Preferably the bottom of the chamber slopes toward the drain. The chamber may be pressurized by the compressed air used to power the vacuum cleaner. The vacuum cleaner may also include a separate pressure tank for holding a degreaser, detergent, or soap which can be sprayed onto the residue of a liquid spill after the liquid has been sucked up into the vacuum cleaner. The vacuum cleaner may includes wheels and a handle for easy movement of the vacuum cleaner.
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