Iiambrela ezisongwayo luhlobo oludumileyo lweeambrela ezenzelwe ukuba kube lula ukuzigcina nokuphatheka lula. Zaziwa ngobukhulu bazo obuncinci kunye nokukwazi ukuthwalwa lula kwibhegi, kwibhegi yebhegi, okanye ebhegini. Ezinye zeempawu eziphambili zeeambrela ezisongwayo ziquka:

Ubungakanani obuncinci: Iiambrela ezigoqekayo zenzelwe ukuba zibe ncinci, nto leyo eyenza kube lula ukuzigcina xa zingasetyenziswa. Zinokugotywa zibe ncinci kwaye kulula ukuzithwala, nto leyo eyenza zibe lukhetho olufanelekileyo kubantu abaseluhambeni.
Kulula ukuyivula nokuyivala: Iiambrela ezisongwayo zenzelwe ukuba kube lula ukuzivula nokuyivala, nokuba kungesandla esinye. Ngokwesiqhelo zinendlela yokuzivula ngokuzenzekelayo evumela ukuba zisetyenziswe ngokukhawuleza xa kufuneka.

Ulwakhiwo oluhlala ixesha elide: Iiambrela ezisongwayo zenziwe ngezinto eziqinileyo nezihlala ixesha elide ezenzelwe ukumelana nokusetyenziswa kakhulu. Zidla ngokwenziwa ngeembambo zefiberglass kunye nekhava enzima enokumelana nemimoya enamandla kunye nemvula enkulu.
Iintlobo ngeentlobo zeesitayile nemibala: Iiambrela ezigoqekayo ziyafumaneka kwiintlobo ngeentlobo zeesitayile nemibala, nto leyo eyenza kube lula ukufumana ehambelana nesitayile sakho. Ukusuka kwimibala eqhelekileyo eqinileyo ukuya kwiipateni eziqinileyo kunye neprinti, kukho isambrela esigoqekayo esilungele wonke umntu.
Ilula: Iiambrela ezigoqwayo zenzelwe ukuba zibe lula, nto leyo eyenza kube lula ukuziphatha naphi na apho uya khona. Oku kuzenza zibe lukhetho olufanelekileyo kubantu abafuna ukuhlala bekhuselekile kwimozulu xa beseluhambeni.

Ayinamanzi: Iiambrela ezigoqekayo zihlala zenziwe ngezinto ezingangeni manzi, nto leyo ezenza zilungele ukusetyenziswa xa imvula inetha nezinye iimeko zemozulu ezimanzi. Zingakugcina womile kwaye ukhululekile, nokuba imvula inkulu kangakanani.
Lilonke, iiambrela ezisongwayo zibonelela ngesisombululo esilula nesisebenzayo sokukhusela kwiimeko zezulu. Ngenxa yobukhulu bazo obuncinci, uyilo olulula ukulusebenzisa, kunye neentlobo ngeentlobo zesitayile kunye nemibala, zilukhetho oludumileyo kubantu abasoloko besendleleni.