
1) Belgian invention 2) Rays that shine on rinks 3) Rink rentals 4) Roller skating equipment 5) Toys with keys
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https://www.crosswordclues.com/clue/roller-skates

Roller Skates is a book by Ruth Sawyer that won the Newbery Medal for excellence in American children`s literature in 1937. It is a fictionalized account of one year of Sawyer`s life. ==Plot summary== Roller Skates opens with the narrator remembering back to a special year in the 1890s, when young Lucinda Wyman arrives at the Misses Peters` hom......
Found on
http://en.wikipedia.org/wiki/Roller_Skates

Roller skates are devices worn on the feet to enable the wearer to roll along on wheels. The first roller skate was effectively an ice skate with wheels where the blade goes. Later the `quad` style of roller skate became more popular consisting of four wheels arranged in the same configuration as a typical car. ==History== The first patented rol.....
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http://en.wikipedia.org/wiki/Roller_skates

Roller skates was British army Second World War slang for a tank.
Found on
http://www.probertencyclopaedia.com/browse/ZR.HTM
No exact match found.