['The', 'woollen', 'fulling', 'box', 'was', 'a', 'crucial', 'machine', 'in', 'the', 'textile', 'industry', 'during', 'the', '18th', 'and', '19th', 'centuries', '.', 'It', 'was', 'designed', 'to', 'clean', 'and', 'thicken', 'woolen', 'cloth', 'by', 'agitating', 'it', 'in', 'hot', 'water', ',', 'often', 'with', 'the', 'addition', 'of', 'soap', '.', 'This', 'process', 'removed', 'impurities', 'and', 'helped', 'to', 'mat', 'the', 'fibers', 'together', ',', 'resulting', 'in', 'a', 'denser', 'fabric', '.', 'The', 'fulling', 'box', 'typically', 'featured', 'a', 'series', 'of', 'wooden', 'hammers', 'that', 'struck', 'the', 'cloth', 'submerged', 'in', 'the', 'water', ',', 'ensuring', 'a', 'thorough', 'fulling', 'process', '.', 'This', 'machine', 'revolutionized', 'textile', 'production', 'by', 'significantly', 'reducing', 'the', 'time', 'and', 'labor', 'required', 'to', 'finish', 'woolen', 'goods', '.']
[[1, 3, 'Textile Machinery']]