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Skates have always been recommended for fitness fanatics. They can also be a fun and eco-friendly form of transportation. Skates allow the skater to ride in boots that are generally equipped with three, four, or sometimes five wheels. Roller skates have two basic designs: A shoe that has been equipped with four wheels on its sole to slide quickly on the floor. The skates have three, four, or even five wheels arranged in a single line. Inline skates sometimes have a rear brake.

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