['In', 'the', 'early', '20th', 'century', ',', 'the', 'invention', 'of', 'the', 'drawing', 'machine', 'revolutionized', 'textile', 'production', '.', 'One', 'of', 'its', 'key', 'features', 'was', 'the', 'hatch', ',', 'which', 'determined', 'the', 'tension', 'and', 'uniformity', 'of', 'the', 'fibers', 'being', 'drawn', '.', 'This', 'distance', 'between', 'the', 'back', 'and', 'front', 'rollers', 'ensured', 'that', 'the', 'fibers', 'were', 'processed', 'efficiently', ',', 'allowing', 'for', 'improved', 'quality', 'in', 'the', 'final', 'yarn', '.', 'The', 'advancement', 'in', 'hatch', 'design', 'led', 'to', 'more', 'precise', 'control', 'over', 'the', 'drawing', 'process', ',', 'making', 'machines', 'like', 'the', 'drawing', 'frame', 'indispensable', 'in', 'mills', 'across', 'the', 'country', '.']
[[10, 11, 'Textile Machinery'], [23, 23, 'Textile Machinery'], [43, 44, 'Textile Machinery'], [81, 82, 'Textile Machinery']]