raw material proportion for qmj2-45 new model brick maker machine for african people to make money . a 10 cement, 30 sand and 60 small stone. b 10 cement and 90 stone powder. c10 cement, 30 fly ash and 60 stone powder . 2. workers number 2-3 workers 1 worker for mixing material. 1 worker for caryying material to block machine
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