Assertion: hockey player's stick | /r/HasProperty | produced
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Source sentences:
text: Some sticks made solely from fiberglass have been produced but today, fiberglass is most commonly used as a composite with other materials, such as wood, carbon fiber, and/or kevlar.
text: Subscribe today By the opening of the 20th century, sticks were being manufactured, shin pads were worn, the goaltender began to wear a chest protector (borrowed from baseball), and arenas (still with natural ice and no heat for spectators) were being constructed throughout eastern Canada.