1.Guhindura urufunguzo rumwe kuri buri funguro
2.DJR igishushanyo cyihariye, ugereranije no kuboha hamwe no kuyobora umugozi ugaburira Inguni, birashobora guhindurwa byigenga aho kuboha, kubika ibikorwa bikora
3.Impeta ihindagurika yo kugaburira impeta, kugaburira nozzle birashobora guhindurwa ukundi, ubwoko bwimyenda burashobora gusimburwa
4.Imiterere nini ya trapo nini itanga uruhare rwose rwibikoresho, kandi igakomeza ibikoresho bihamye kandi neza
5.Igaburo ryihariye ryo kugaburira aluminiyumu anti-kunyerera, kugaburira uruziga imikorere isanzwe icyarimwe, kubyara imyenda myiza yoroshye idafite umurongo utambitse
6.Uburyo bwihariye bwihuta bwo gufata ibintu, buhamye kandi neza
7.Urushinge rw'inzira enye rushyigikira imyenda itandukanye kandi irashobora guhinduka byoroshye
8.Ibikoresho bitandukanye biboneka kubikorwa bitandukanye bisabwa
