Chikwama chouma chopanda madzi ndi chabwino kusunga magiya anu owuma kunja kwanyowa.Amapangidwa kuchokera kuzinthu zolemetsa komanso zolimba za PVC mesh ndipo amapangidwa ndi RWS system (Radio frequency welding seam) yomwe imawotcherera ndi magetsi pamlingo wa mamolekyulu kukhala msoko wolimba komanso wosalowa madzi.Chotsekera pansi chokhala ndi chidutswa cha PE chakuda chimawonjezera mphamvu ya chisindikizo chotsimikizira madzi.Izi zimachitika pongofinya mpweya womwe watsekeredwa ndikupinda katatu ndikumanga.