['In', 'the', 'early', '20th', 'century', ',', 'textile', 'manufacturers', 'began', 'utilizing', 'advanced', 'equipment', 'to', 'enhance', 'their', 'production', 'capabilities', '.', 'One', 'crucial', 'component', 'of', 'drawing', 'and', 'spinning', 'frames', 'was', 'the', 'back', 'roller', ',', 'which', 'played', 'an', 'essential', 'role', 'in', 'the', 'processing', 'of', 'sliver', 'and', 'roving', '.', 'This', 'back', 'roller', 'ensured', 'that', 'the', 'material', 'was', 'evenly', 'drawn', 'and', 'prepared', 'for', 'the', 'next', 'phases', 'of', 'textile', 'production', '.', 'Additionally', ',', 'the', 'integration', 'of', 'various', 'rollers', 'improved', 'the', 'efficiency', 'of', 'the', 'weaving', 'process', ',', 'allowing', 'for', 'higher', 'quality', 'fabrics', '.']
[[28, 29, 'Textile Machinery']]