['The', 'flat', 'knitting', 'frame', 'is', 'an', 'essential', 'textile', 'machinery', 'used', 'in', 'the', 'production', 'of', 'knitted', 'fabrics', '.', 'One', 'critical', 'component', 'of', 'this', 'machine', 'is', 'the', 'lifting', 'bar', ',', 'which', 'plays', 'a', 'vital', 'role', 'in', 'raising', 'the', 'jacks', 'to', 'ensure', 'smooth', 'operation', '.', 'The', 'efficiency', 'of', 'the', 'flat', 'knitting', 'frame', 'is', 'largely', 'dependent', 'on', 'the', 'precise', 'action', 'of', 'the', 'lifting', 'bar', ',', 'as', 'it', 'directly', 'affects', 'the', 'quality', 'of', 'the', 'knitted', 'output', '.', 'In', 'addition', 'to', 'the', 'lifting', 'bar', ',', 'other', 'components', 'such', 'as', 'the', 'yarn', 'feeder', 'and', 'the', 'needle', 'beds', 'are', 'crucial', 'for', 'the', 'overall', 'functionality', 'of', 'the', 'machine', '.']
[[25, 26, 'Textile Machinery'], [1, 3, 'Textile Machinery'], [84, 85, 'Textile Machinery'], [88, 89, 'Textile Machinery']]