['In', 'the', 'early', '20th', 'century', ',', 'the', 'textile', 'industry', 'saw', 'the', 'introduction', 'of', 'the', 'automatic', 'loom', ',', 'which', 'significantly', 'increased', 'production', 'rates', '.', 'One', 'of', 'the', 'key', 'components', 'of', 'this', 'machinery', 'was', 'the', 'spool', ',', 'which', 'played', 'a', 'vital', 'role', 'in', 'feeding', 'yarn', 'into', 'the', 'loom', '.', 'This', 'wooden', 'bobbin', ',', 'consisting', 'of', 'a', 'barrel', 'with', 'flanges', ',', 'allowed', 'for', 'efficient', 'unwinding', 'of', 'the', 'yarn', 'as', 'it', 'was', 'woven', 'into', 'fabric', '.', 'Manufacturers', 'quickly', 'adopted', 'various', 'types', 'of', 'spools', 'to', 'accommodate', 'different', 'yarn', 'types', ',', 'enhancing', 'the', 'versatility', 'of', 'the', 'looms', '.', 'As', 'technology', 'progressed', ',', 'the', 'design', 'of', 'the', 'spool', 'evolved', ',', 'but', 'its', 'fundamental', 'purpose', 'remained', 'unchanged', '.']
[[14, 15, 'Textile Machinery'], [33, 33, 'Textile Machinery'], [42, 42, 'Textile Machinery'], [70, 70, 'Textile Machinery']]