['In', 'the', 'early', '20th', 'century', ',', 'the', 'beetle', 'became', 'an', 'essential', 'machine', 'in', 'textile', 'finishing', 'processes', '.', 'It', 'was', 'widely', 'used', 'to', 'impart', 'a', 'soft', ',', 'lustrous', 'finish', 'to', 'various', 'fabrics', '.', 'The', 'beetle', 'worked', 'by', 'striking', 'the', 'cloth', 'with', 'wooden', 'hammers', ',', 'delivering', 'rapid', 'blows', 'that', 'helped', 'to', 'smooth', 'and', 'flatten', 'the', 'material', '.', 'This', 'process', 'not', 'only', 'enhanced', 'the', 'visual', 'appeal', 'of', 'the', 'cloth', 'but', 'also', 'improved', 'its', 'texture', ',', 'making', 'it', 'more', 'desirable', 'for', 'consumers', '.', 'Factories', 'often', 'housed', 'multiple', 'beetles', 'to', 'increase', 'production', 'efficiency', ',', 'showcasing', 'their', 'importance', 'in', 'the', 'textile', 'industry', 'during', 'that', 'era', '.']
[[7, 7, 'Textile Machinery']]