Ntuziaka a na-akọwa otu esi eji ihe nkiri PVC siri ike ọgwụ eme ihe maka ngwugwu mbadamba na capsule, na-ekpuchi thermoformability, doo anya, njedebe mgbochi, nhọrọ PVC vs PVDC/PCTFE, akara, ndakọrịta igwe, njikwa mma, akwụkwọ nchịkwa, na nhọrọ ihe B2B.