['The', 'lace', 'loom', 'is', 'a', 'remarkable', 'invention', 'in', 'the', 'world', 'of', 'textile', 'machinery', ',', 'primarily', 'featuring', 'a', 'crucial', 'component', 'known', 'as', 'the', 'locker-bars', '.', 'These', 'locker-bars', 'serve', 'as', 'the', 'pair', 'of', 'horizontal', 'bars', 'that', 'effectively', 'shift', 'the', 'bobbins', 'on', 'the', 'lace', 'loom', ',', 'ensuring', 'a', 'smooth', 'weaving', 'process', '.', 'The', 'precision', 'of', 'the', 'locker-bars', 'is', 'vital', 'for', 'maintaining', 'the', 'quality', 'of', 'the', 'lace', 'produced', ',', 'as', 'they', 'control', 'the', 'tension', 'and', 'positioning', 'of', 'the', 'threads', '.', 'This', 'intricate', 'mechanism', 'is', 'essential', 'for', 'the', 'creation', 'of', 'delicate', 'patterns', 'and', 'designs', 'in', 'lace', 'making', '.']
[[1, 2, 'Textile Machinery'], [22, 22, 'Textile Machinery']]