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2. Shop-Vac - Wikipedia

   en.wikipedia.org/wiki/Shop-Vac

   Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .

3. Materials for use in vacuum - Wikipedia

   en.wikipedia.org/wiki/Materials_for_use_in_vacuum

   Lubrication of moving parts is a problem for vacuum. Many lubricants have unacceptable outgassing rates, [5] others (e.g. graphite) lose lubricating properties. Vacuum greases are greases with low outgassing. Ramsay grease is an old composition of paraffin wax, vaseline and natural rubber, usable up to about 25 °C, for low vacuums to about 1 Pa.

4. Vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Vacuum_cleaner

   A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets and hard floors. The dirt is collected into a dust bag or a plastic bin. Vacuum cleaners, which are used in homes as well as in commercial settings, exist in a variety of sizes and types ...

5. List of vacuum cleaners - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_cleaners

   This is a list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. The dirt is collected by either a dustbag or a rigid cartridge, which may be emptied and reused.

6. Vacuum ejector - Wikipedia

   en.wikipedia.org/wiki/Vacuum_Ejector

   vacuum pump. A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect . In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area. The fluid leaving the jet is flowing at a high velocity which due ...

7. The Hoover Company - Wikipedia

   en.wikipedia.org/wiki/The_Hoover_Company

   The first upright vacuum cleaner was invented in June 1908 in North Canton, Ohio by department store janitor and occasional inventor James Murray Spangler.Spangler was an asthmatic, and suspecting the carpet sweeper he was using at work was the cause of his ailment, he created a basic suction-sweeper by mounting an electric fan motor on a carpet sweeper and then adding a soap box and a broom ...