['In', 'the', 'early', '20th', 'century', ',', 'the', 'introduction', 'of', 'the', 'box', 'of', 'tricks', 'revolutionized', 'textile', 'manufacturing', '.', 'This', 'innovative', 'mechanism', 'allowed', 'for', 'precise', 'adjustments', 'in', 'speed', 'ratios', ',', 'significantly', 'improving', 'the', 'efficiency', 'of', 'the', 'bobbin', 'and', 'fly', 'frames', '.', 'Factories', 'across', 'the', 'country', 'quickly', 'adopted', 'this', 'technology', ',', 'heralding', 'a', 'new', 'era', 'in', 'the', 'production', 'of', 'textiles', '.', 'The', 'box', 'of', 'tricks', 'became', 'an', 'indispensable', 'component', ',', 'enabling', 'machines', 'to', 'operate', 'with', 'enhanced', 'synchronization', 'and', 'effectiveness', ',', 'thereby', 'increasing', 'overall', 'output', '.']
[[10, 12, 'Textile Machinery'], [34, 37, 'Textile Machinery']]