2. Iyo ukoresheje imifuka ya PP yo gutwara, niba biremereye kandi bitose hasi kugirango birinde ubutaka kwinjira mu gikapu cyo kwinjije cyangwa gutera imifuka igikapu cyo gucamo.
3. Nyuma yo gukoresha imifuka ya PP ibohesheje, irashobora gukoreshwa. Nyuma yo kwegeranya umubare runaka, hamagara kuri sitasiyo yo gutunganya kugirango ukoreshe. Ntujugunye ku bushake kugirango wirinde umwanda wibidukikije.