... 13TRaw Materials: crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite, and other ... ; 2. Semi Automatic; 3. Simple1. Fully-Automatic Production Line: Automatic Scaling and Batching, Automatic Mixing, Automatic Moulding/Block ... , Forklift Transferring; (need 8 workers) 3. Simple Production Line for Block Making: Batching, Automatic Mixing, Automatic Moulding/Block ...