['In', 'the', 'early', '19th', 'century', ',', 'the', 'French', 'drawing', 'frame', 'revolutionized', 'the', 'textile', 'industry', 'by', 'enhancing', 'the', 'efficiency', 'of', 'wool', 'processing', '.', 'A', 'crucial', 'component', 'of', 'this', 'machine', 'was', 'the', 'porcupine', 'roller', ',', 'which', 'featured', 'spikes', 'that', 'helped', 'in', 'the', 'drawing', 'and', 'aligning', 'of', 'fibers', '.', 'This', 'spike-covered', 'roller', 'was', 'instrumental', 'in', 'ensuring', 'that', 'the', 'wool', 'underwent', 'a', 'thorough', 'and', 'effective', 'drafting', 'process', ',', 'ultimately', 'leading', 'to', 'higher', 'quality', 'yarn', 'production', '.', 'The', 'introduction', 'of', 'the', 'porcupine', 'roller', 'marked', 'a', 'significant', 'advancement', 'in', 'textile', 'machinery', ',', 'allowing', 'manufacturers', 'to', 'produce', 'finer', 'threads', 'more', 'consistently', '.']
[[30, 31, 'Textile Machinery']]