40 Treatment (transformation) of building materials, not of metal, consisting of public works waste, polluted soil, dredging sediment, clinker, building waste, asphalt waste, industrial waste and rail waste; crushing and screening of non-metallic building materials from quarrying; crushing, sorting and recycling of building materials, not of metal, consisting of public works waste, polluted soil, dredged sediment, clinker, building waste, asphalt waste, industrial waste and rail waste; reclaiming (transforming) building site debris especially consisting of public works waste, polluted soil, dredged sediment, clinker, building waste, asphalt waste, industrial waste and rail waste