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The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X originated as part of Project...

In pipeline transportation, pigging is the practice of using pipeline inspection gauges or gadgets, devices generally referred to as pigs or scrapers,...

A washing machine (laundry machine, clothes washer, washer, or simply wash) is a machine designed to launder clothing. Modern-day home appliances use electric...

A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by fire...

The Webley Revolver (also known as the Webley Top-Break Revolver or Webley Self-Extracting Revolver) was, in various designations, a standard issue service...

Dao (pronunciation: [táʊ], English approximation: /daʊ/ dow, Chinese: 刀; pinyin: dāo; jyutping: dou1) are single-edged Chinese swords, primarily used for...

The katar is a type of push dagger from the Indian subcontinent. The weapon is characterized by its H-shaped horizontal hand grip which results in the...

Thermal energy storage (TES) is the storage of thermal energy for later reuse. Employing widely different technologies, it allows surplus thermal energy...

6061 aluminium alloy (Unified Numbering System (UNS) designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon...

A single-page application (SPA) is a web application or website that interacts with the user by dynamically rewriting the current web page with new data...

Bluing, sometimes spelled as blueing, is a passivation process in which steel is partially protected against rust using a black oxide coating. It is named...

A bolt is an externally helical threaded fastener that fastens objects with unthreaded holes together. This is done by applying a twisting force (torque)...

Voskhod 1 (Russian: Восход-1, lit. 'Sunrise-1') was the seventh crewed Soviet space flight. Flown by cosmonauts Vladimir Komarov, Konstantin Feoktistov...

Kárahnjúkar Búrfellsstöð Búðarháls Hrauneyjafossstöð Blöndustöð Sigöldustöð Sultartangastöð Vatnsfell Írafossstöð Lagarfossstöð Steingrímsstöð Ljósafossstöð...

Dremel (/ˈdrɛməl/ DREM-əl) is a multinational brand of power tools, focusing on home improvement and hobby applications. Dremel is known primarily for...

Energy in Sudan describes energy and electricity production, consumption and imports in Sudan. The chief sources of energy in 2010 were wood and charcoal...

.top is a generic top-level domain, officially delegated in ICANN's New gTLD Program on August 4, 2014. The domain name extension .top is managed and operated...

Area code 649 is the local telephone area code of the Turks and Caicos Islands. Area 649 was created in a split from the original area code 809. It became...

A Starr revolver (Starr DA) is a double-action revolver which was used in the western theater of the American Civil War until the United States Army Ordnance...

A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower...