['In', 'the', 'early', '20th', 'century', ',', 'the', 'introduction', 'of', 'heald', 'shafts', 'revolutionized', 'the', 'weaving', 'process', '.', 'These', 'horizontal', 'laths', 'provided', 'a', 'crucial', 'support', 'for', 'the', 'healds', ',', 'enabling', 'the', 'efficient', 'lifting', 'and', 'lowering', 'of', 'warp', 'threads', 'during', 'the', 'weaving', 'cycle', '.', 'Before', 'their', 'widespread', 'adoption', ',', 'weavers', 'faced', 'numerous', 'challenges', 'with', 'thread', 'misalignment', ',', 'but', 'with', 'the', 'heald', 'shafts', 'in', 'place', ',', 'the', 'precision', 'of', 'the', 'fabric', 'improved', 'significantly', '.', 'The', 'design', 'of', 'modern', 'looms', 'now', 'incorporates', 'heald', 'shafts', 'as', 'an', 'essential', 'component', ',', 'demonstrating', 'their', 'lasting', 'impact', 'on', 'textile', 'machinery', '.']
[[9, 10, 'Textile Machinery']]