question: What other modern material has joined composites , carbon fiber , titanium , and aluminum to replace wood in the manufacture of sporting equipment ?
answer: fiberglass
turker_answer: Fiberglass has joined composites , carbon fiber , titanium , and aluminum to replace wood in the manufacture of sporting equipment .
rule-based: Fiberglass has joined composites , carbon fiber , titanium , and aluminum to replace wood in the manufacture of sporting equipment .