Engineering activity was provided by the Association of Engineering (Keramoprojekt, a.s., Trenčín, Keraming, v.o.s., Trenčín, Chempik, a.s., Bratislava).
The engineering expertise was offered by the Association of Engineering (Keramoprojekt, a.s., Trenčín, Keraming, v.o.s., Trenčín, Chempik, a.s., Bratislava).