What is Roller Coaster Yard Sale?

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...

The Five Nations Roller Derby Championships is an annual competition for roller derby leagues in the United Kingdom.

A yard light or garden lantern is a free standing exterior light fixture in gardens and landscaped settings. They are usually illuminated by electricity, but occasionally natural gas, and are...

A mating yard is a term for an apiary which consists primarily of queen mating nucs and hives which raise drones. A queen bee must mate in order to lay...

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 screen roller or spline roller is a small hand tool used to press screen mesh into the edges of a window frame that is fluted on the inner edges,...

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...

The Vekoma Wooden roller coaster is a model of wooden roller coaster built by Vekoma.

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...