Twishimiye kubagezaho aho twashyize amapine mu buryo bushya twakoze.
Ingana n'imiterere nk'uko byari bimeze mbere ariko iza n'ibintu bishya:
-Bikozwe muri pulasitiki nshya ya PP 100%, nta bikoresho byo kongera gukoreshwa, Nta burozi, nta mpumuro mbi
-Gusukura neza kandi byoroshye hejuru
-Igororotse ku ruhande naho hasi harambuye
Ingero ziteguye koherezwa kugira ngo uzirebe.
