Vertical roller mill is a type of grinder used to grind materials into extremely fine powder for use in mineral dressing processes, paints, pyrotechnics, cements and ceramics. It is an energy efficient alternative for a ball mill.
In geometry, a developable roller is a convex solid whose surface consists of a single continuous, developable face. While rolling on a plane, most developable rollers develop their entire surface...
A spherical roller thrust bearing is a rolling-element bearing of thrust type that permits rotation with low friction, and permits angular misalignment. The bearing is designed to take radial loads,...
A petition mill is a fraud in which the perpetrator poses as a financial advisor, sometimes as a credit counselor or paralegal, filing hastily prepared bankruptcy documents in the name...
The Roller Coaster Yard Sale, sometimes referred to as the Roller Coaster Fair, is an outdoor second-hand sale held annually for three days beginning the first Thursday in October. It...
A Water coaster is a steel roller coaster that combines roller coaster elements, such as chain lift hills and steep drops, with boat-based attraction elements, such as splash-down landings. The...
A roller coaster train is a vehicle made up of two or more cars connected by specialized joints which transports passengers around a roller coaster's circuit. It is called a...
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