['In', 'the', 'early', '19th', 'century', ',', 'the', 'treadle', 'loom', 'was', 'a', 'significant', 'advancement', 'in', 'textile', 'machinery', '.', 'The', 'design', 'allowed', 'weavers', 'to', 'operate', 'the', 'heald', 'shafts', 'using', 'a', 'foot', 'pedal', ',', 'which', 'freed', 'their', 'hands', 'for', 'other', 'tasks', '.', 'This', 'innovation', 'increased', 'efficiency', 'and', 'productivity', 'in', 'the', 'weaving', 'process', '.', 'Many', 'artisans', 'appreciated', 'the', 'simplicity', 'and', 'effectiveness', 'of', 'the', 'treadle', 'mechanism', ',', 'which', 'contributed', 'to', 'the', 'popularity', 'of', 'hand', 'looms', 'during', 'this', 'period', '.']
[[7, 8, 'Textile Machinery'], [24, 25, 'Textile Machinery'], [68, 69, 'Textile Machinery']]