['The', 'production', 'of', 'woolen', 'fabrics', 'historically', 'relied', 'on', 'several', 'intricate', 'machines', ',', 'one', 'of', 'which', 'was', 'the', 'balloon', '.', 'This', 'cylindrical', 'frame', ',', 'surrounded', 'by', 'steam', 'pipes', ',', 'was', 'essential', 'for', 'drying', 'sized', 'woollen', 'warps', '.', 'The', 'efficiency', 'of', 'the', 'balloon', 'greatly', 'enhanced', 'the', 'overall', 'productivity', 'of', 'textile', 'mills', 'during', 'the', 'industrial', 'revolution', '.']
[[17, 17, 'Textile Machinery']]