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Copper slag is created during the copper smelting process. Around 4.5 million tons of copper slag is produced each year. Although copper slag is used in grit blasting and landfilling, only 15 to 20% of it is being used as of 2015. Since this is a heavily wasted material, finding ways to use it in different industries can reduce overall waste.
Sandblasting can be used to refurbish buildings or create works of art (carved or frosted glass). Modern masks and resists facilitate this process, producing accurate results. Sandblasting techniques are used for cleaning boat hulls, as well as brick, stone, and concrete work. Sandblasting is used for cleaning industrial as well as commercial ...
Photomicrograph made with a scanning electron microscope and back-scatter detector: cross section of fly ash particles. Fly ash, flue ash, coal ash, or pulverised fuel ash (in the UK)—plurale tantum: coal combustion residuals (CCRs)—is a coal combustion product that is composed of the particulates that are driven out of coal-fired boilers together with the flue gases.
Rock blasting in Finland. Drilling and blasting is the controlled use of explosives and other methods, such as gas pressure blasting pyrotechnics, to break rock for excavation. It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction. The result of rock blasting is often known as a rock cut.
Example of a copper alloy object: a Neo-Sumerian foundation figure of Gudea, circa 2100 BC, made in the lost-wax cast method, overall: 17.5 x 4.5 x 7.3 cm, probably from modern-day Iraq, now in the Cleveland Museum of Art (Cleveland, Ohio, USA) Copper alloys are metal alloys that have copper as their principal component.
Blasting caps, ingitors 1.1C Rocket motors, smokeless powder. 1.1D Detonating cord, explosive boosters, blackpowder, most secondary explosives. 1.1E 1.1F 1.1G Flash powder, Bulk Salutes, very large fireworks 1.1J Liquid fuelled cruise missiles and torpedoes, incendiary bombs 1.1L 1.2 Projection, no mass explosion: 1.2B Detonating fuzes 1.2C