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  2. Sandblasting - Wikipedia

    en.wikipedia.org/wiki/Sandblasting

    Micro-abrasive blasting is dry abrasive blasting process that uses small nozzles (typically 0.25 mm to 1.5 mm diameter) to deliver a fine stream of abrasive accurately to a small part or a small area on a larger part. Generally the area to be blasted is from about 1 mm 2 to only a few cm 2 at most.

  3. Drilling and blasting - Wikipedia

    en.wikipedia.org/wiki/Drilling_and_blasting

    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.

  4. Hydrodemolition - Wikipedia

    en.wikipedia.org/wiki/Hydrodemolition

    Robotic Hydrodemolition in Ystad, Sweden. Hydrodemolition of concrete exposing the rebar.. Hydrodemolition (also known as hydro demolition, hydroblasting, hydro blasting, hydromilling, waterblasting, and waterjetting) is a concrete removal technique which utilizes high-pressure water, often containing an abrasive material, to remove deteriorated and sound concrete as well as asphalt and grout.

  5. Copper slag - Wikipedia

    en.wikipedia.org/wiki/Copper_slag

    Copper slag is mainly used for surface blast-cleaning. Abrasive blasting is used to clean and shape the surface of metal, stone, concrete and other materials. In this process, a stream of abrasive grains called grit are propelled toward the workpiece. Copper slag is just one of many different materials that may be used as abrasive grit.

  6. Construction blasting will pause traffic on Nashville airport ...

    www.aol.com/construction-blasting-pause-traffic...

    The Metro Nashville Police Department and construction personnel will stop traffic for the duration of the blasting on Donelson Pike, Airport Service Road and Terminal Drive, all near the eastern ...

  7. Surface finishing - Wikipedia

    en.wikipedia.org/wiki/Surface_finishing

    A drill bit with surface finishing to make the cutting edges harder. Surface finishing is a broad range of industrial processes that alter the surface of a manufactured item to achieve a certain property. [1]

  8. Vintage photos show how dangerous railways, mills, and ... - AOL

    www.aol.com/news/vintage-photos-show-dangerous...

    Faulty boiler equipment released steam scalding enough to cause deadly burns. "One of the most dangerous occupations on the railroads was that of a brakeman, who had this perilous task of stopping ...

  9. Earthworks (engineering) - Wikipedia

    en.wikipedia.org/wiki/Earthworks_(engineering)

    Heavy construction equipment is usually used due to the amounts of material to be moved — up to millions of cubic metres. Earthwork construction was revolutionized by the development of the scraper and other earth-moving machines such as the loader, the dump truck, the grader, the bulldozer, the backhoe, and the dragline excavator.