['In', 'the', 'early', 'days', 'of', 'textile', 'manufacturing', ',', 'the', 'carding', 'engine', 'was', 'a', 'crucial', 'piece', 'of', 'equipment', '.', 'Among', 'its', 'components', ',', 'the', 'dirt', 'roller', 'played', 'a', 'significant', 'role', 'as', 'the', 'first', 'worker', 'roller', '.', 'This', 'roller', 'was', 'responsible', 'for', 'loosening', 'and', 'separating', 'the', 'fibers', 'before', 'they', 'were', 'further', 'processed', '.', 'The', 'efficiency', 'of', 'the', 'carding', 'engine', 'heavily', 'relied', 'on', 'the', 'proper', 'functioning', 'of', 'the', 'dirt', 'roller', ',', 'which', 'ensured', 'that', 'the', 'fibers', 'were', 'clean', 'and', 'ready', 'for', 'spinning', '.']
[[23, 24, 'Textile Machinery']]