Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. Synthetic oil is used as a substitute for lubricant refined from petroleum when operating in extremes of temperature, because, in general, it provides superior mechanical and chemical properties than those found in traditional mineral oils. Aircraft jet engines, for example, require the use of synthetic oils, whereas aircraft piston engines do not.
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Depending on the context, they usually are referring to the same thing. In some cases, people refer to air dry solid film lubricants as dry film lubricants. For more information check link.
Mansfield, Ohio
Nobody will answer this question because the Federal Government is spending Trillions to build and maintain these things and they are manufactured in China. Oh, the kicker GE didn't pay a dime of taxes last year on 14.8 Billion in revenue.
Pipes that are manufactured using centrifugal casting. These tubes can withstand a lot ofinternal pressure.
WP is prefix, which is given to all manufactured fittings which has been manufactured as per ASME B16.9 and also the dimensions of fittings match as per the code Reference ASMEB 16.5 Para 4.4.1 Regarding B I am not sure need to explore still a bit if anybody has an answer please mail me at melwin_farias@yahoo.co.in