Crematory personnel wearing protective clothing. The technique utilized for the cremation is called at two stages burning. The crematory consists of two rooms. In the principal one is introduced gas, usually methane, while there is almost no oxygen. Such a mix favors a better combustion of the coffin. In the post combustion room prevails on the contrary the oxygen. Inside the room the gas coming from the principal room become oxidized, they burn at temperatures up to 1200°C and are purified from harmful smells and smog. The process is conceived for the cremation of bodies of an average weight of 130-155 kg.