Guhindura umugozi uhagaritse uburebure bwumugozi urashobora guhindurwa ukurikije ibidukikije byumurima mugihe gito cyo kwigunga mugihe cyo kubungabunga no gusana cyangwa kumara igihe kirekire kitazwi cyo gufunga indangururamajwi.Mugihe cyo kubungabunga no gusana, ntarengwa ya bine irashobora gukoreshwa, buri kimwe mubakozi batandukanye.Gusa nyuma yuko abakozi bose barangije akazi kabo bakanakuraho ibifunga byabo bwite birashobora gukurwaho umugozi wa kabili hanyuma imikorere ya valve (cyangwa switch breaker switch) ikagarurwa.