... contrlollingis eas QT9-15 SEMI-AUTOMATIC BLOCK MAKING MACHINE Main Production Specification and Theoretical Productivity Sample SizeQuantityCycle ... sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite, and other industrial wastes.Applied ... interlocking blocks, etc.Applied Fieldswidely used in buildings, road pavings, squares, gardens, landscaping, city constructions, etc. ...