['In', 'the', 'early', '19th', 'century', ',', 'the', 'invention', 'of', 'the', 'power', 'loom', 'revolutionized', 'textile', 'production', '.', 'Among', 'the', 'key', 'components', 'of', 'this', 'loom', 'was', 'the', 'pirn', ',', 'a', 'crucial', 'part', 'that', 'held', 'the', 'weft', 'yarn', '.', 'The', 'pirn', 'allowed', 'for', 'efficient', 'weaving', 'by', 'enabling', 'a', 'continuous', 'supply', 'of', 'yarn', 'to', 'be', 'fed', 'into', 'the', 'loom', '.', 'Additionally', ',', 'the', 'shuttle', 'mechanism', 'worked', 'in', 'tandem', 'with', 'the', 'pirn', 'to', 'facilitate', 'the', 'weaving', 'process', ',', 'greatly', 'increasing', 'the', 'speed', 'and', 'efficiency', 'of', 'textile', 'manufacturing', '.']
[[25, 25, 'Textile Machinery'], [10, 11, 'Textile Machinery'], [59, 60, 'Textile Machinery']]