Lubricant
a substance inserted between moving contact parts of a purposes, by mixing mineral, animal or vegetable oils, are on the market.
Among the methods of lubrication are direct application by hand; the gravity system, in which the oil flows through a pipe from a tank to the bearing by gravity; various mechanical systems in which the oil is circulated by means of a pump from a tank to the bearings, and frequently through a strainer back into the tank; and the splash system, in which some moving part of the motor splashes oil from a closed case over all bearing surfaces.
LUCANIA (lū-kā'ni-ä), a province of ancient Italy, S. E. of Calabria, and bordering on the Gulf of Tarentum. It was inhabited by an Oscan people, and corresponds nearly to the present province of Potenza and part of Salerno,