1. THE WASTE RUBBER USED TO IMPROVE THE PROPERTIES OF COMPOSITE MATERIALS. Authors: OVIDIU NEMEŞ, FRÉDÉRIC LACHAUD, ROBERT PIQUET, VASILE-FILIP SOPORAN, OVIDIU TĂTARU.2. ECOLOGICAL SYSTEM FOR WASTE FORMING SANDS IN FOUNDRIES RECYCLING. Authors: VIOREL DAN, OVIDIU NEMEŞ, VASILE-FILIP SOPORAN.3. TOWARD NEW COMPOSITE MATERIALS STARTING FROM MULTI-LAYER WASTES. Authors: ANCA MARIA GOMBOŞ, OVIDIU NEMEŞ, VASILE-FILIP SOPORAN, ALEXANDRA VESCAN.