['The', 'traditional', 'shuttle', 'loom', 'features', 'a', 'cone', 'that', 'plays', 'a', 'critical', 'role', 'in', 'the', 'weaving', 'process', '.', 'This', 'cone-shaped', 'roller', ',', 'fixed', 'on', 'the', 'picking', 'shaft', ',', 'receives', 'the', 'stroke', 'of', 'the', 'picking', 'tappet', ',', 'allowing', 'the', 'shuttle', 'to', 'move', 'smoothly', 'across', 'the', 'warp', 'threads', '.', 'The', 'efficiency', 'of', 'the', 'loom', 'is', 'significantly', 'improved', 'by', 'the', 'precise', 'design', 'of', 'the', 'cone', ',', 'which', 'helps', 'in', 'maintaining', 'the', 'tension', 'and', 'alignment', 'of', 'the', 'yarn', 'during', 'operation', '.']
[[6, 6, 'Textile Machinery']]