['In', 'the', 'early', 'days', 'of', 'textile', 'manufacturing', ',', 'the', 'tin', 'roller', 'played', 'a', 'crucial', 'role', 'in', 'the', 'operation', 'of', 'spinning', 'frames', '.', 'This', 'cylinder', 'was', 'specifically', 'designed', 'to', 'serve', 'as', 'a', 'pulley', 'for', 'all', 'the', 'spindle-driving', 'bands', ',', 'ensuring', 'smooth', 'and', 'efficient', 'movement', 'within', 'the', 'machinery', '.', 'The', 'integration', 'of', 'the', 'tin', 'roller', 'not', 'only', 'improved', 'the', 'functionality', 'of', 'the', 'spinning', 'frame', 'but', 'also', 'enhanced', 'the', 'overall', 'productivity', 'of', 'textile', 'mills', 'during', 'the', 'industrial', 'revolution', '.']
[[9, 10, 'Textile Machinery'], [19, 20, 'Textile Machinery']]