['In', 'the', 'early', '20th', 'century', ',', 'the', 'ring', 'spinning', 'frame', 'became', 'a', 'revolutionary', 'piece', 'of', 'textile', 'machinery', '.', 'A', 'crucial', 'component', 'of', 'this', 'frame', 'is', 'the', 'traveller', ',', 'a', 'small', 'hook', 'of', 'finely', 'tempered', 'steel', 'that', 'runs', 'around', 'on', 'the', 'ring', '.', 'It', 'is', 'essential', 'for', 'pulling', 'the', 'yarn', 'through', ',', 'ensuring', 'that', 'the', 'spinning', 'process', 'is', 'efficient', 'and', 'smooth', '.', 'As', 'the', 'yarn', 'is', 'pulled', ',', 'the', 'traveller', 'glides', 'seamlessly', ',', 'maintaining', 'the', 'tension', 'needed', 'for', 'high-quality', 'yarn', 'production', '.', 'This', 'innovation', 'marked', 'a', 'significant', 'advancement', 'in', 'textile', 'manufacturing', 'practices', '.']
[[7, 9, 'Textile Machinery'], [26, 26, 'Textile Machinery']]