
Isingeniso somsebenzi: Imodeli engokoqobo ingalingisa ukuqeqeshwa futhi ibonise ukufakwa nokususwa kwamadivayisi angaphakathi kwesibeletho. Isibeletho esikhanyayo singabona ngokucacile ukubekwa kwamadivayisi angaphakathi kwesibeletho. Izikhundla zesibeletho ezijwayelekile nezingavamile zingabonisa isimo sokuma sangaphambili nesingemuva.
| Igama lomkhiqizo | Imodeli yokuvimbela inzalo yabesifazane ngaphakathi kwesibeletho |
| Izinto | I-PVC |
| Usayizi | Usayizi wemvelo |
| Ukupakisha | Ibhokisi lebhokisi |
