['In', 'the', 'early', '20th', 'century', ',', 'the', 'introduction', 'of', 'the', 'lead', 'sinker', 'significantly', 'improved', 'the', 'efficiency', 'of', 'knitting', 'frames', '.', 'The', 'lead', 'sinker', ',', 'a', 'bar', 'in', 'which', 'sinkers', 'are', 'soldered', 'between', 'the', 'jack', 'sinkers', ',', 'played', 'a', 'crucial', 'role', 'in', 'the', 'operation', 'of', 'the', 'knitting', 'machine', '.', 'This', 'innovation', 'allowed', 'for', 'smoother', 'fabric', 'production', 'and', 'reduced', 'the', 'wear', 'on', 'components', ',', 'making', 'it', 'easier', 'for', 'manufacturers', 'to', 'produce', 'high-quality', 'textiles', '.']
[[10, 11, 'Textile Machinery']]