Căutare 2010 fascicula8 nr2 după Subiect "lubricants"
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Multipurpose Ecological Lubricating Greases
(UDJG, 2010)Lubricants facilitate the effective operation of mechanical equipment, reducing friction and wear, but, in the same time, they are a large and diffuse pollution source, both on soil and in water. Eliminating or reducing ...