['In', 'the', 'early', '20th', 'century', ',', 'the', 'introduction', 'of', 'the', 'cropping', 'machine', 'revolutionized', 'textile', 'production', '.', 'One', 'of', 'its', 'key', 'components', 'is', 'the', 'ledger', 'blade', ',', 'which', 'plays', 'a', 'crucial', 'role', 'in', 'optimizing', 'the', 'cutting', 'process', '.', 'The', 'ledger', 'blade', 'is', 'a', 'straight-edged', 'steel', 'knife', 'that', 'is', 'positioned', 'at', 'a', 'tangent', 'to', 'the', 'spirally-bladed', 'cutting', 'knife', ',', 'ensuring', 'precision', 'in', 'fabric', 'cropping', 'and', 'enhancing', 'the', 'overall', 'efficiency', 'of', 'textile', 'machinery', '.', 'This', 'innovation', 'allowed', 'manufacturers', 'to', 'achieve', 'cleaner', 'cuts', 'and', 'improved', 'fabric', 'quality', ',', 'marking', 'a', 'significant', 'advancement', 'in', 'the', 'industry', '.']
[[23, 24, 'Textile Machinery'], [10, 11, 'Textile Machinery'], [54, 55, 'Textile Machinery']]