LUBRICATING OILS. Mineral lubricating oils, belonging to the group of heavy distillates, they are used to reduce friction between working machine parts, engines and devices. They should …
Daily Archives: January 17, 2012
Consumption of propellants
CONSUMPTION STANDARDS. Propellants are expensive and scarce. Economical management of propellants, goes towards reducing gasoline consumption, diesel oils and lubricants on …