{"Stahl":["Stal austenityczny","Stal węglowa","Stal nierdzewna","Stal narzędziowa","Stal o drobnoziarnistej strukturze","Stal odporna na wysoką temperaturę","Stal konstrukcyjna","Stal odporna na korozję","Stal odporna na kwasy","Stal SM","Materiały specjalne","Stal specjalna","Stal hartowana"],"NE-Metalle":["Aluminium","Brąz aluminium","Brąz","Żeliwo szare/żeliwo sferoidalne","Miedź","Stop miedzi i niklu","Stopy magnezu","Mosiądz","Neusilber","Stop niklu","Niskolegowane stopy miedzi","Miedź czerwona","Specjalny mosiądz","Materiały specjalne (metale białe, tytan, tantal, cynk)"],"Kunststoffe":["Tkanina szklana","Tkanina twarda","Papier twardy","Twardy PVC","Makrolon","Plexiglas","Poliacetal","Poliamidy","Polietylen","Polipropylen","PPO","Teflon","Wulkanfiber","Wulkollan","Miękki PVC"]}