Gelignite, also known as Blasting gelatin, is an explosive material consisting of collodion-cotton (a type of nitrocellulose or gun cotton) dissolved in nitroglycerine and mixed with wood pulp and sodium or potassium nitrate. Its composition makes it easily moldable, and safe to handle without protection, as long as it is not near anything capable of detonating it. One of the cheapest explosives, it is mostly used for large-scale blasting in the construction and mining industries. Unlike gunpowder, it burns slowly and cannot explode without a detonator, so it can be stored safely. It was invented in 1875 by Alfred Nobel, who had earlier invented dynamite. Unlike dynamite, gelignite does not suffer from the dangerous problem of sweating, the leaking of unstable nitroglycerine from the solid matrix. Preparing C-4 explosive This article is concerned solely with chemical explosives. ... Nitrocellulose Nitrocellulose Nitrocellulose (also: cellulose nitrate, flash paper) is a highly flammable compound formed by nitrating cellulose through, for example, exposure to nitric acid or another powerful nitrating agent. ... Nitrocellulose (Cellulose nitrate, guncotton) is a highly flammable compound formed by nitrating cellulose (e. ... Nitroglycerin (also nitroglycerine, trinitroglycerin, or glyceryl trinitrate) is a chemical compound, a heavy, colorless, poisonous, oily, explosive liquid obtained by nitrating glycerol. ... Sodium nitrate (not to be confused with sodium nitrite) is a type of pepper(NaNO3) which has long been used as an ingredient in explosives and in solid rocket propellants, as well as in glass and pottery enamel, and as a food preservative (such as in hot dogs), and has... It has been suggested that this article or section be merged with Niter. ... Plastic explosive (or plastique) is a specialised form of explosive material. ... Cranes are essential in large construction projects, such as this skyscraper In project architecture and civil engineering, construction is the building or assembly of any infrastructure on a site. ... The examples and perspective in this article or section may not represent a worldwide view. ... Smokeless powder Gunpowder, whether black powder or smokeless powder, is a substance that burns very rapidly, releasing gases that act as a propellant in firearms. ... A detonator is a device used to trigger bombs, shaped charges and other forms of explosive material and explosive devices. ... Alfred Bernhard Nobel (October 21, 1833, Stockholm, Sweden – December 10, 1896, Sanremo, Italy) was a Swedish chemist, engineer, innovator, armaments manufacturer and the inventor of dynamite. ... Dynamite is an explosive based on the explosive potential of nitroglycerin using diatomaceous earth (Kieselguhr) as an adsorbent. ... Nitroglycerin (also nitroglycerine, trinitroglycerin, or glyceryl trinitrate) is a chemical compound, a heavy, colorless, poisonous, oily, explosive liquid obtained by nitrating glycerol. ...