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2. Robotic vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Robotic_vacuum_cleaner

   Robotic vacuum cleaner on a hardwood floor. A robotic vacuum cleaner, sometimes called a robovac or a roomba as a generic trademark, is an autonomous robotic vacuum cleaner which has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines.

3. Power window - Wikipedia

   en.wikipedia.org/wiki/Power_window

   Inside driver's door showing hydraulic cylinder for power window Window controls on center console between front seats (2005 Saab 9-5) Packard had introduced hydraulic window lifts (power windows) in fall of 1940, for its new 1941 Packard 180 series cars. [1] [2] This was a hydro-electric system.

4. Vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Vacuum_cleaner

   The power unit of a typical central vacuum cleaner for residential use. Central vacuum cleaners, also known as built-in or ducted, are a type of canister/cylinder model which has the motor and dirt filtration unit located in a central location in a building, and connected by pipes to fixed vacuum inlets installed throughout the building.

5. List of Henry vacuum cleaners - Wikipedia

   en.wikipedia.org/wiki/List_of_Henry_vacuum_cleaners

   Henry Quick - A cordless stick vacuum cleaner, much different to the other drum models. It only has a 60 minute battery life. 1-litre capacity. Charles (CVC370) - Larger blue wet-and-dry vacuum with a 15-litre dry and a 9-litre wet capacity which was also available in red, green and yellow at one time. In the late 1980s, this model and some ...

6. Henry (vacuum) - Wikipedia

   en.wikipedia.org/wiki/Henry_(vacuum)

   Henry is the brand name given to a cylinder vacuum cleaner made and sold by Numatic International, and is the only mass-produced consumer vacuum cleaner still made in the United Kingdom. [1] It is most notable for its cartoon eyes and mouth on the body of the vacuum cleaner , making a face, with the hose connector or hose as its nose.

7. 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.

8. 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 ...

9. List of battery types - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_types

   This list is a summary of notable electric battery types composed of one or more electrochemical cells. Three lists are provided in the table. The primary (non-rechargeable) and secondary (rechargeable) cell lists are lists of battery chemistry. The third list is a list of battery applications.