['In', 'the', 'early', '20th', 'century', ',', 'the', 'ball', 'finisher', 'became', 'an', 'essential', 'textile', 'machine', 'used', 'in', 'the', 'finishing', 'process', 'of', 'woolen', 'fabrics', '.', 'This', 'machine', 'operates', 'by', 'using', 'a', 'series', 'of', 'revolving', 'drums', 'that', 'gently', 'tumble', 'the', 'fabric', ',', 'allowing', 'for', 'a', 'soft', ',', 'smooth', 'finish', 'that', 'enhances', 'the', 'overall', 'quality', 'of', 'the', 'textile', '.', 'The', 'efficiency', 'of', 'the', 'ball', 'finisher', 'significantly', 'improved', 'production', 'rates', ',', 'making', 'it', 'a', 'favorite', 'among', 'textile', 'manufacturers', 'during', 'that', 'era', '.']
[[7, 8, 'Textile Machinery']]