['The', 'willow', ',', 'an', 'essential', 'piece', 'of', 'textile', 'machinery', ',', 'is', 'designed', 'to', 'clean', 'and', 'open', 'wool', 'fibers', 'and', 'low-grade', 'cotton', '.', 'Its', 'operation', 'involves', 'heavy', 'rollers', 'that', 'effectively', 'separate', 'and', 'fluff', 'the', 'fibers', ',', 'making', 'them', 'ready', 'for', 'further', 'processing', '.', 'In', 'addition', ',', 'the', 'willow', 'is', 'equipped', 'with', 'various', 'attachments', 'to', 'enhance', 'its', 'efficiency', ',', 'including', 'a', 'grid', 'that', 'filters', 'out', 'impurities', 'and', 'a', 'revolving', 'brush', 'that', 'ensures', 'a', 'thorough', 'cleaning', '.', 'This', 'machine', 'has', 'been', 'pivotal', 'in', 'the', 'textile', 'industry', ',', 'particularly', 'in', 'the', 'preparation', 'of', 'raw', 'materials', 'for', 'spinning', 'and', 'weaving', '.']
[[1, 1, 'Textile Machinery']]