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2. Central vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Central_vacuum_cleaner

   Central vacuum systems are designed to remove dirt and debris from homes and buildings by sending dirt particles through piping installed inside the walls to a collection container inside a remote utility space. The power unit is a permanent fixture, usually installed in a basement, garage, or storage room, along with the collection container.

3. The 7 Best Car Vacuums for Interior Cleaning and Detailing - AOL

   www.aol.com/lifestyle/best-car-vacuums-keep...

   The Best Car Vacuums. Best Toolbox-Style: Milwaukee M18 Packout 2.5 Gallon Vacuum. Best Cordless Canister: EGO Power+ 9 Gallon Wet/ Dry Vacuum. Best Shop-Vac Alternative: Snapper XD. Best Value ...

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. Airwatt - Wikipedia

   en.wikipedia.org/wiki/Airwatt

   Airwatt. Airwatt or air watt is a measurement unit of the effective power of vacuum cleaners. It is the airflow (in cubic metres per second) multiplied by suction pressure (in pascals ). [ 1][ 2] It can also be referred to as a measurement of the energy per unit time of the air flowing through an opening, which is related to the energy that ...

6. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   In the lower middle is the capacitor. Heating, ventilation, and air conditioning ( HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality.

7. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.