['In', 'the', 'early', '19th', 'century', ',', 'the', 'mule', 'spinning', 'machine', 'revolutionized', 'the', 'textile', 'industry', '.', 'Among', 'its', 'various', 'components', ',', 'the', 'shaper', 'played', 'a', 'crucial', 'role', 'in', 'forming', 'the', 'cop', ',', 'ensuring', 'that', 'the', 'yarn', 'was', 'consistent', 'and', 'well-structured', '.', 'The', 'shaper', ',', 'along', 'with', 'other', 'parts', 'like', 'the', 'carriage', 'and', 'the', 'flyer', ',', 'contributed', 'to', 'the', 'efficiency', 'and', 'quality', 'of', 'yarn', 'production', '.', 'This', 'innovation', 'allowed', 'for', 'greater', 'productivity', 'in', 'textile', 'manufacturing', '.']
[[21, 21, 'Textile Machinery']]