abrasion test

  • 91Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… …

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  • 92Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …

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  • 93Travis Walton — Infobox encounters Image Caption = Name = Travis Walton Born = birth date and age|1957|4|23 Blocation = Died = Dlocation = Status = Single Abducteee Fdate = November 5, 1975 Location = Apache Sitgreaves National Forest, Arizona Setting =… …

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  • 94Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… …

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  • 95Laser bonding — is a marking technique that uses lasers and other forms of radiant energy to bond an additive marking substance to a wide range of substrates. Invented in 1997, this patent protected technology[1] delivers permanent marks on metals, glass and… …

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  • 96Vicon — Cement VICON or high performance cement can be made to order: from super strong cements with rugged durability to low cost cements with up to 70% mineral additives. To use a high volume of mineral additives (sand, limestone, natural pozzolans or… …

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  • 97Allergie — Classification et ressources externes Au contact d un allergène (1), les mastocytes (6) libèrent des médiateurs (4, 5, 7) comme l …

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  • 98lubrication — See lubricate. * * * Introduction of any of various substances between sliding surfaces to reduce wear and friction. Lubricants may secondarily control corrosion, regulate temperature, electrically insulate, remove contaminants, or damp shock.… …

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  • 99Brainiac: Science Abuse — Genre Science/Comedy Entertainment/Documentary Presented by Richard Hammond (series 1–4) …

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  • 100Electroencephalography — (EEG) is the measurement of electrical activity produced by the brain as recorded from electrodes placed on the scalp.Just as the activity in a computer can be understood on multiple levels, from the activity of individual transistors to the… …

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