Fiidiyowgaan wuxuu muujiyaa hanaanka heerka saxda ah ee xaashiyaha birta ee qabow, hubinta guryo sare, xasilloonida dusha sare, iyo saxnaanshaha cabbirrada u fiican. Xaashiyaha qabowga ee qabow ayaa badanaa ka kooban walwal gudaha ah iyo isbarbardhig yar oo la sameeyay inta lagu gudajiro isbadal, goynta, ama wax ka qabashada. Tiknolojiyadda Heerarka Sare ee Jiizh ee Heerka tikniyoolajiyadda ayaa si wax ku ool ah uga saaraya dhabtiidaasi si ay u gaarsiiso lebis, labis, iyo dusha sare ee qumman.