40 Additive manufacturing, namely, production and handling of granulate powder for Additive Manufacturing made of materials which are firmly compoundable, at least in the surface, in particular metals, ceramic, glass, organic substances, plastics, at least partially organically produced substances or combinations of above-mentioned substances, in particular by grounding, sieving, sighting, coating of powder particles, heating, melting, mixing, adding of additives, compounding, chamfering, polishing of powder, surface activation, atomizing, smoothening of the surface of powder particles, water vapor treatment, thermal treatment, recycling of unspent powder or granulate; processing of devices which were manufactured by additive manufacturing and consist of materials, which are firmly compoundable, at least in the surface, in particular of metals, ceramic, glass, organic substances, plastics, at least partially organically produces substances or combinations of above-mentioned substances, in particular by brushing, blowing out, sandblasting, polishing, eroding, impregnating, coating, dyeing, annealing/baking out, laminating, painting, galvanizing, tempering, shot peening, cleaning, powder-coating, platinizing