7 machines for producing aerated concrete; implements and apparatus for the production of aerated concrete, namely, concrete mixers; aerated concrete cutting machines; aerated concrete sawing machines; aerated concrete milling machines; concrete mixing machines; machines to clean casting moulds for casting aerated concrete; cranes; lifting appliances for lifting casting moulds for casting aerated concrete and reinforcing cages, namely, overhead cranes, machine-operated aerial lifts; lifting grippers for lifting slabs, stones and blocks of aerated concrete; packing machines for packing stones and blocks of aerated concrete; conveyors for transporting slabs and blocks of aerated concrete, conveyors for transporting casting moulds for casting aerated concrete; disassembling devices for reinforcement holders, namely, machines for disassembling reinforcement holders of aerated concrete blocks; treatment units for support rods for holding reinforcements, namely, a machine for treating metal support rods used for temporarily holding reinforcements in manufacture of aerated concrete; aluminum preparation units, namely, a machine for mixing aluminum paste with water for further use in the manufacture of aerated concrete; machines for making cutting wires used to cut aerated concrete; machines for removing the waste layer arising in cutting aerated concrete blocks; and machines for reconditioning and treating aerated-concrete waste and dust, and not waste water treatment machines