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    Adhensives history

    An adhesive is a substance that has the capability to hold materials together. The manner by which adhesives are able to serve this function is due to a surface attachment that is resistant to separation. A bond occurs when the adhesive molecules adsorb onto a solid surface and chemically react with it. Cement, mucilage, glue  More »

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    Tribology is the science of ease moving surfaces in contact with one another which has been needed after invention of the wheel by the human and it has also been needed for those neighboring surfaces and tangent process that causes the friction and wear and corrosion. Nowadays,in the world industry, the item that indicates which lubricant should be  More »