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Cosmetic

   For cosmetic aims widely use oils and fats of different types and origin.
It is separately necessary to select oils on mineral basis.

about oils

the first article is about oils...

Motor Oil

    Motor oil is greasing, in-use in combustion engines. The engines of transport vehicles enter here: cars and motor cycles, heavy transport vehicles, busses and trucks,  vnedorozhnykh transport vehicles such as maps, snowmobiles, boats (stationary settings of engines and motors), lawn mowers, engines of agricultural and build big-tickets,  locomotives and airplanes, and also static systems such as electric generators.
 

    In engines, there are parts which move against each other, causing a friction which in same queue conduces to the losses of useful power by transformation of energy to the heat. A contact between locomotive surfaces also draws to the wear of details which would result in the decline of efficiency and degradation of engine. A superfluous friction is increased by the expense of fuel, reduces power and can in exceptional cases result in an engine failure.
 

    Luboils create dividing tape between the surfaces of nearby locomotive parts on purpose take to the minimum a direct contact between them, diminishing the same warming from a friction and diminishing a wear - in fact - protecting an engine. At the use passing motor oil through an engine on the surface of oily pallet also takes warmly due to a convection by a blast.  In petrol engines, on the stage of compression motor oil can be heated to the temperature of 160°c (320°f). In diesel engines - to the temperature above 315°c (600°f). Motor oils with more high viscidity of indexes are able to spread a less skim at such high temperatures.
 

    Coverage of metallic details greasing also stops them from influence of oxygen, hindering oxidization at high workings temperatures and preventing appearance of blight and corrosion the same. The inhibitors of corrosion can be also added to motor oil. Many motor oils also contain washings and dispersive additions to help a good administrator to hold an engine in a cleanness and take to the minimum a snuff from wastes of thruster-on.  Motor oil can catch soot from incineration in itself, but not to abandon it on internal surfaces. Snuff in this case is a result of sparkwear of oil in the process of thruster-on or aggregate which in course of time converts oil into exhaust.
    The friction of metallic details of engine inevitably produces to appearance of microscopic metallics from the wear of surfaces. Such particles can get back in oil and work against locomotive parts, that in same queue results in the wear of details. As particles accumulate in oil, it, as a rule, is filtered through an oily filter for the delete of harmful particles.
    Oily pump - a paddle or senary pump is started going from an engine, rocks butter in an engine through an oily  filter.
 

    In a crank of transport vehicle case motor oils revolved or sliding surfaces of crankshaft.  Oil going to the oily pallet in the underbody of crankcase. In some small engines (such as a lawn mower) scoops in the underbody of piston-rods submerge in oil on a day and splash oil on all crankcase in necessary for greasing of details inwardly amount.  Oily tape also serves as a compression between piston-rings and walls of cylinder in a combustion of head of crankcase and crankcase chamber. Then oil flows down back in an oily pallet.

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