What Are Roller Coasters Made out of?

Answer

Roller coaster is made out of wood or steel depending on the support structure. They are used in amusement parks and involve passengers in wheeled cars moving along a pair of rail supported by a wooden or steel structure.
Q&A Related to "What Are Roller Coasters Made out of"
wood or steel, bolts.
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2 Additional Answers
Most roller coasters are built with steel rails though the first roller coasters were built with wood. Steel structures require less maintenance than wooden structures, hence the change from wooden to steel structures. The track or rails determine if a roller coaster is considered a steel or wooden coaster, not the structure. Wooden roller coasters use layers of laminated wood with flat steel rail attached to the top and inside as the track.
A roller coaster is a steep, sharply curving elevated railway that has small open passenger cars, operated at high speeds as a ride. The current ones are made of steel but it can also be made using wood as was done in earlier days.
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