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A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with ...
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.
360 Vis Nav. 2023. The Dyson 360 Vis Nav is a robot vacuum cleaner that was released in May 2023. It has a 360-degree vision system that uses time-of-flight sensors and a camera to map the home and navigate intelligently. It also has a full-width brush bar, a piezo sensor, a HEPA filter, a long-lasting battery, and a smart app.
Filtration is a unit operation that is commonly used both in laboratory and production conditions. This apparatus, adapted for laboratory work, is often used to isolate the product of synthesis of a reaction when the product is a solid in suspension. The product of synthesis is then recovered faster, and the solid is drier than in the case of a ...
Torr-Seal, or its generic equivalent Hysol-1C (US brand name) or Loctite 9492 (EU brand name), is an epoxy with resin and hardener for use in vacuum environments. It will begin to degrade at high temperatures but otherwise is very stable with very little outgassing. Other vacuum-rated epoxies are also available.
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 ...
Currys. Currys (branded as Currys PC World between 2010 and 2021) is a British electrical retailer and aftercare service provider operating in the United Kingdom and Ireland, specialising in white goods, consumer electronics, computers and mobile phones. Established as a bicycle retailer in 1927, Currys expanded the range of goods sold and from ...
The twice-yearly injection of the drug lenacapavir can provide total protection against HIV infections, demonstrating 100% efficacy in Phase 3 trial data released by drugmaker Gilead and published ...