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  2. Chipseal - Wikipedia

    en.wikipedia.org/wiki/Chipseal

    Chipseal (also chip seal or chip and seal) is a pavement surface treatment that combines one or more layers of asphalt with one or more layers of fine aggregate. In the United States, chipseals are typically used on rural roads carrying lower traffic volumes, and the process is often referred to as asphaltic surface treatment .

  3. Tarmacadam - Wikipedia

    en.wikipedia.org/wiki/Tarmacadam

    Tarmacadam is a concrete road surfacing material made by combining tar and macadam (crushed stone and sand), patented by Welsh inventor Edgar Purnell Hooley in 1902. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces invented by Scottish engineer John Loudon McAdam in the early 19th century.

  4. Tarmac scam - Wikipedia

    en.wikipedia.org/wiki/Tarmac_scam

    A conman typically goes door-to-door, claiming to be a builder working on a contract who has some leftover tarmac, and offering to pave a driveway at a low cost. [2] [6]The paving is in fact often simply gravel chippings covered with engine oil, [2] or not the right depth and type of materials to form a lasting road surface. [3]

  5. Known for chip-making past, Troyer family plans organic ... - AOL

    www.aol.com/known-chip-making-past-troyer...

    The business is asking for a $3 million grant to help fund a $6.8 million facility to produce, freeze and store frozen organic French fries and potato puffs, commonly known as tater tots.

  6. Tar - Wikipedia

    en.wikipedia.org/wiki/Tar

    One can produce a tar-like substance from corn stalks by heating them in a microwave oven. This process is known as pyrolysis. Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. [1]

  7. Birch bark tar - Wikipedia

    en.wikipedia.org/wiki/Birch_bark_tar

    Birch bark tar use as an adhesive began in the Middle Paleolithic. Neanderthals produced tar through dry distillation of birch bark as early as 200,000 years ago. [6] A 2019 study demonstrated that birch bark tar production can be a simpler, more discoverable process by directly burning birch bark under overhanging stone surfaces in open-air conditions. [7]

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