Kungani amanzi abandayo ephuma esishiseni sami samanzi?
Uma i-heater yakho yamanzi igesi ingasebenzi, qala ngokuhlola ukuthi:  - Ingabe i-heater yamanzi iyavuza? Uma kunjalo, cisha amanzi negesi esifudumezini, bese uthintana nophayiphu ukuze ushintshe isifudumezi. - Ingabe unuka igesi eduze kwesithando sakho? Uma kunjalo, cishe unokugeleza kwegesi - vala intambo yegesi efudumeza futhi uthintane nompayipi ukuze ashintshe i - heater.  Uma lokhu kungezona izinkinga, hlola ukuze ubone ukuthi isibani esiqondisa ukushisa sikhanyisiwe yini. Cishe lokhu kufihlwe ngemva kwephaneli noma umnyango ongemuva kwephiko langaphambili lesifudumezi. Uma isibani somshayeli singakhanyi, landela imiyalelo ukuze uzame ukuphinde usikhanyise.  Uma isibani sokukhanyisa singakhanyi noma siqhubeka sicima ngemva kokushisa amanzi, cishe kuyodingeka ukuba kushintshwe isixhumi esishisayo esisemshini wokushisa amanzi. Xhumana nomphathi wamapayipi ukuze akubuyisele lokhu.  Ngokuvamile, ama-heater amanzi asethangini ajwayelekile anesikhathi sokuphila esiyiminyaka engu-10 kuya kwengu-15. Uma isishisi samanzi esidala singaphakathi kwalesi silinganiso, ungase uthande ukulungiselela ukushintsha isishisi samanzi ngokushesha.