Ubwoko bw'amashanyarazi butagira umuyonga bwerekana agasanduku k'amashanyarazi karimo ibyuma birebire bidafite ingese hamwe n'uruzitiro rukomeye rwa plastiki. Yashizweho kubikorwa bitarimo amazi, bitagira umukungugu, hamwe nibikorwa byangirika, nibyiza kubikorwa byo hanze. Guhitamo umwobo wo guca ibintu byemeza guhinduka kugirango uhuze ibyifuzo byihariye byabakoresha, bitanga uburinzi bwizewe mubidukikije bikaze.