Lo mzila ojwayelekile wokukhiqiza ungakhiqiza amapuleti avuliwe angama-galvanized, ashiswe, futhi angenasici anogqinsi luka-0.3mm-3mm nobubanzi obuyi-1500, ubude bepuleti obufushane bube ngu-500mm. Ubude bebhande lokuthutha elide kunawo wonke bungenziwa ngendlela oyifisayo.
1.Isivinini esisheshayo kakhulu nokukhiqiza okuphezulu.
5. Ngokusho kokuqina okuhlukile, ijubane liphakathi kuka-50-60m/min, izingcezu ezingama-20-30 ngomzuzu.


