Noma yiluphi uhlobo lwedivayisi luzovela phakathi nalokhu noma leyo nkinga, inkinga ayibi, ukhiye uyindlela efanele yokuxazulula inkinga.Ngezansi sethula kafushane izinkinga ezivamile nezixazululo zokuphindaphinda okuningana.

1. Ngenxa yokuthi izinga lamanzi alilungile, izinga lokushisa lamanzi liphakeme noma liphansi, ukwehluleka kwe-drainage, njll., kuyadingeka ukuthatha izindlela zokwelashwa ezifanele ngokusho kwezinkinga ezahlukene.

2. Iringi yokuvala iyaguga, iyavuza noma iphukile.Lokhu kudinga ukuhlolwa ngokucophelela ngaphambi kokusetshenziswa nokushintshwa ngesikhathi kwendandatho yokuvala uphawu.Uma kwenzeka ikhefu, u-opharetha kufanele aqhubekele phambili noma abuyisele esikhundleni ngaphansi kwesisekelo sokuqinisekisa izinga lokushisa eliphephile nokucindezela.

3. Ukunqamuka kukagesi kungazelelwe noma ukuphela kwegesi Lapho uhlangabezana nalolu hlobo lwesimo, bhekisisa isimo sokusebenza sokuphindisela, bhalisa, futhi uqedele ukuvala inzalo lapho uhlinzeka ngokutholakala.Uma ukunikezwa kumisiwe isikhathi eside, udinga ukukhipha imikhiqizo ekubuyiseleni futhi uyigcine, bese uqhubeka nokusebenza ngenkathi ulinde ukubuyisela kabusha.