1, imbaraga zo kumisha, kubera ibintu bitatanye cyane mumigezi yikirere, ubuso bwose bwibice byumye kandi ahantu heza cyane.
2, igihe gito cyo kumisha
3, ibyuma byumuyaga biroroshye, ibirenge bito, byoroshye kubaka no gusana.
4, ubushobozi bunini, gukora neza cyane.Gukoresha ubushyuhe bugera kuri 60% mugihe wumye amazi adafunze.
5, akuma kugirango ugere kuri "zeru itambitse ya zeru", bigabanya cyane kwambara no gutaburura uruziga rugumana, silinderi ikora neza kandi yizewe;
6, icyuma gifata "igikoresho cyo kwishyiriraho igikoresho", kugirango uruziga rushyigikire hamwe nimpeta izunguruka buri gihe guhuza umurongo, bityo bigabanye cyane kwambara no kurira no gutakaza ingufu.
7, agasanduku kamashini kahujwe nimpapuro zihumeka, umurongo, ibikoresho byumye.Kubisabwa byubushyuhe buke bwo kumisha, igihe kirekire cyo kumisha ibintu ibyiza byihariye.