lubricity
51Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
52Polyoxymethylene plastic — Polyoxymethylene (POM), in the USA also commonly known under DuPont s brand name Delrin, is an engineering plastic, a polymer with the chemical formula ( O CH2 )n . It is often marketed and used as a metal substitute. Delrin is a lightweight, low …
53Jet fuel — An Airbus A310 being fueled at Prague Airport Jet fuel is a type of aviation fuel designed for use in aircraft powered by gas turbine engines. It is clear to straw colored in appearance. The most commonly used fuels for commercial aviation are… …
54Plating — describes surface covering where a metal is deposited on a conductive surface. Plating has been done for hundreds of years, but it is also critical for modern technology. Plating is used to decorate objects, for corrosion inhibition, to improve… …
55Grand Opera — is a genre of 19th century opera generally in four or five acts, characterised by large scale casts and orchestras, and (in their original productions) lavish and spectacular design and stage effects, normally with plots based on or around… …
56Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …
57Fabric softener — (also called fabric conditioner) is used to prevent static cling and make fabric softer. It is available as a liquid, crystals and dryer sheets. Contents 1 Varieties 2 Composition 3 See also 4 Refe …
58Diamond-like carbon — A ta C thin film on silicon (15 mm diameter) exhibiting regions of 40 nm and 80 nm thickness …
59Restoration literature — is the English literature written during the historical period commonly referred to as the English Restoration (1660 ndash;1689), which corresponds to the last years of the direct Stuart reign in England, Scotland, Wales, and Ireland. In general …
60Corrosion inhibitor — A corrosion inhibitor is a chemical compound that, when added to a liquid or gas, decreases the corrosion rate of a material, typically a metal or an alloy.[1] The effectiveness of a corrosion inhibitor depends on fluid composition, quantity of… …
