chemical flare
111List of file formats — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: List of file formats (alphabetical) This is a list of file formats… …
112Bombing of Iraq (December 1998) — Operation Desert Fox Part of Iraqi no fly zones A Tomahawk cruise missile (TLAM) is fired from an Arleig …
113Tap water — Indoor Tap commonly found in the bathroom or kitchen. This tap is a single handle, double spout tap (one spout for hot water, one spout for cold water). Tap water (running water, city water, municipal water, etc.) is a principal component of… …
114Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …
115Cosmic dust — Space dust redirects here. For other uses, see Space dust (disambiguation). Porous chondrite interplanetary dust particle. Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 µm in size. Cosmic dust… …
116Metallography — A micrograph of bronze revealing a cast dendritic structure Metallography is the study of the physical structure and components of metals, typically using microscopy. Ceramic and polymeric materials may also be prepared using metallographic… …
117Races in Stargate — In the fictional universe of the Stargate franchise, the people of Earth have encountered numerous extraterrestrial races on their travels through the Stargate. In addition to a diversity of alien life, there is also an abundance of other humans …
118United States 40 mm grenades — The United States Army has created a plethora of different types of 40 mm grenades in both the low velocity 40x46 mm and high velocity 40x53 mm calibers. Presented on this page is a basic overview.High Explosive Cartridgestandard High Explosive… …
119Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
120Astronautical hygiene — is the application of science and technology to the study of the recognition and evaluation of the hazards and the prevention or control of the risks to health while working in a low gravity environment. John R. Cain (UK Government expert) was… …
