1. Eby'obuyonjo kandi ebitari by'obutwa: Emipiira ya PPR n'ebintu ebirikugikwataho nibikorwa omu random copolymerized polypropylene, ebitari by'obutwa kandi ebitari by'akabi aha mubiri gw'omuntu kandi ebirikubaasa kutwarakowaresibwa gw'obutwa kandi ebitari.
2. Okuzibira okusheenya: Nikibaasa kugumira okusheenya kw'ebintu by'emibazi bitari bimwe na bimwe kandi tikyorobi kusheenya n'okusheenya, kuhamya ngu enkora y'emipiira yaakora gye kumara obwire buraing.
3 Omu Maka n'omu Makorero.
4. Okukora kw'amaani okw'okuzibira obutagatsi: okutwara obutagatsi bukye, okurikubaasa kukyendeeza gye okufeerwa kw'okwotsya n'okurinda amaani.
5. Kyanguhi kutaho: Orikukoresa tekinologiya y'okuteerana ebirikwotsya, okuteerana nikwesigwa, okwombeka nikurahuka, kandi tihariho bikoreso by'omutaano ebirikwetengyesa.
6. Obwire buraingwa bw'okukoresa: Omu mbeera z'okukoresa eza butoosha, obwire bw'okukoresa emipiira ya PPR n'ebintu ebirikugikwataho nibubaasa kuhika emyaka erikurenga 50.
