['The', 'sack', 'cloth', 'weaving', 'loom', 'is', 'an', 'essential', 'machine', 'in', 'the', 'production', 'of', 'coarse', 'fabrics', '.', 'This', 'loom', 'is', 'characterized', 'by', 'its', 'robust', 'structure', ',', 'allowing', 'it', 'to', 'handle', 'heavy', 'yarns', 'typically', 'used', 'in', 'sack', 'cloth', '.', 'The', 'mechanism', 'is', 'designed', 'to', 'facilitate', 'the', 'weaving', 'of', 'wide', 'panels', ',', 'which', 'are', 'then', 'cut', 'and', 'sewn', 'into', 'sacks', 'for', 'various', 'industrial', 'applications', '.', 'Historically', ',', 'the', 'sack', 'cloth', 'weaving', 'loom', 'has', 'played', 'a', 'significant', 'role', 'in', 'the', 'textile', 'industry', ',', 'especially', 'during', 'the', 'early', '20th', 'century', 'when', 'demand', 'for', 'durable', 'packaging', 'materials', 'surged', '.']
[[1, 4, 'Textile Machinery']]