Whenever one body moves over the surface of another, it encounters a resistance to its movement from the other surface. This resistance is called friction. Although friction may exist between a solid and fluid surface, friction is primarily a surface...

Any material (usually liquid but sometimes solid) that acts to reduce FRICTION between two surfaces. See also:...

A lubricant (colloquially, lube) is a substance (often a liquid) introduced between two moving surfaces to reduce the friction and wear between them. A lubricant provides a protective film which allows for two touching surfaces to be separated and...

By Kevin Campbell, Senior editor Among the many tasks and conditions plant engineers must contend with on a daily basis are maintenance and downtime. When these two aspects are minimized, production can be enhanced and the impact on the bottom line can...

The session on selecting the "Right Lubricants" was presented by Chris May with ExxonMobil. Good motor oils should clean the engine of contaminants by reducing the build-up of sludge on engine parts and by keeping particles in suspension. They should also seal the piston...

The families of all 23 nursing home patients who died in a bus explosion as they fled Hurricane Rita have settled their lawsuits against the nursing home that evacuated them, lawyers said.Lawyers for the families and for Sunrise Senior Living Services Inc., of McLean, Va.,...

Brazil's state-run oil company Petrobras and two partners announced on Monday a cash and stock deal valued at nearly $4 billion (euro3.01 billion) to buy Ipiranga, the No. 2 fuel distributor and refiner in Latin America's largest nation.Petroleo Brasileiro SA and chemical company Braskem SA...