thick lubricant
51bone oil — noun 1. the liquid portion of bone fat; used as a lubricant and in leather manufacture • Hypernyms: ↑animal oil • Part Holonyms: ↑bone fat 2. dark colored ill smelling oil obtained by carbonizing bone; used especially in sheep dips and in… …
52Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
53Centerville, Iowa —   City   Seal …
54Riesling — Rossling redirects here. For the Swiss wine grape also known as Rossling, see Räuschling. Johannisberger redirects here. For another wine grape that is also known as Johannisberger, see Silvaner. Riesling Grape (Vitis) …
55Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
56Smokeless powder — is the name given to a number of propellants used in firearms and artillery which produce negligible smoke when fired, unlike the older gunpowder (black powder) which they replaced. The basis of the term smokeless is that the combustion products… …
57Pad printing — is a printing process that can transfer a 2 D image onto a 3 D object. This is accomplished using an indirect offset (gravure) printing process that involves an image being transferred from the printing plate (cliché) via a silicone pad onto a… …
58bulbourethral gland — Anat., Zool. See Cowper s gland. * * * ▪ anatomy also called Cowper s Gland, either of two pea shaped glands in the male, located beneath the prostate gland at the beginning of the internal portion of the penis; they add fluids to semen… …
59fibre, man-made — Introduction fibre whose chemical composition, structure, and properties are significantly modified during the manufacturing process. Man made fibres are spun and woven into a huge number of consumer and industrial products, including… …
60petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
