a) Hamwe nigikoresho gifasha kugirango umutekano uhagaze neza
b) Guhindura padi yinyuma birashobora guhuza ibyifuzo byabantu batandukanye.
c) Hamwe no guhindura form kugirango uhuze ibyifuzo byabantu batandukanye.
d) Hamwe nuburyo bwo kugabanya umutekano wabatoza.