Kutshanje, umzi-mveliso wethu wamkele umzuzu wokuzingca – iqela leevalvu zokujonga amanzi ezakhiwe ngononophelo ziphumelele ngempumelelo uvavanyo loxinzelelo oluqatha, ukusebenza kwayo okugqwesileyo kunye nomgangatho ongavuziyo, akubonisi nje kuphela ukuvuthwa kwetekhnoloji yethu, kodwa kukwangqina ukuba iqela lethu lifuna ukugqwesa ngokungapheliyo.

Jonga ixabiso levalvuIquka ikakhulu umzimba, isihlalo, idiski, ibheringi kunye nentwasahlobo kunye nezinye iindawo eziphambili, indlela yangaphakathi yokuhamba isebenzisa uyilo olucwangcisiweyo, ukulahleka koxinzelelo oluncinci. Ukuvulwa kwe-flap yevalvu kunye nokubetha kokuvala kufutshane kakhulu, kunokuvalwa ngokukhawuleza xa ipompo ima, ukuthintela isandi esikhulu sehammer yamanzi, kunye neempawu zokuvala ezingathethiyo. Ivalvu yokujonga intsimbi, esi sixhobo sibonakala silula, eneneni, siqulathe ingcamango yoyilo oluntsonkothileyo kunye nenkqubo yokwenziwa kakuhle. Zifana nezikhuselo ezithuleyo, zikhusela ngokuthula umqala wenkqubo yolwelo, ziqinisekisa ukuhamba komoya ngendlela enye kwaye zithintela umonakalo obangelwa ngumsinga ochaseneyo.

Uvavanyo loxinzelelo lolona vavanyo lubalaseleyo lokusebenza kwemveliso. Iivalvu zethu zokujonga ibhabhathane zibonisa uzinzo olumangalisayo kunye nokuthembeka phantsi kweemeko ezilinganisiweyo. Xa inaliti yegeyiji yoxinzelelo izinzile, xa ulwelo luhamba ngokukhululekileyo kwivalvu ngaphandle kophawu lokuvuza, siyazi ukuba siphinde sazigqitha kwaye safikelela kumanqanaba amatsha.

Ivalvu isetyenziswa kakhulu ekunikezelweni kwamanzi kunye nokutsalwa kwamanzi, inkqubo ye-HVAC yomlilo, ingafakwa kwindawo yokuphuma kwepompo ukuthintela ukubuya kwamanzi kunye nomonakalo wesando samanzi kwipompo. Impumelelo yale qela leiivalvu zokujonga zentsimbiayisiyonto nje yobuchule obuphezulu, ikwabonakalisa ukuzibophelela kwethu kumgangatho kunye noxanduva kubathengi bethu. Kweli xesha lotshintsho olukhawulezileyo, siya kuqhubeka nokubambelela kubuchule obutsha kwaye siphucule rhoqo ukusebenza kunye nomgangatho weemveliso ukuze sihlangabezane neemfuno zemarike kwaye sizuze ukuthenjwa ngabathengi.

Kwixesha elizayo, ivalvu yethu yokujonga idiski iya kudlala indima yayo kwinqanaba elibanzi kwaye inegalelo ekusebenzeni okuzinzileyo kolu shishino.