Ingane kanogwaja nomama kanogwaja zivalela kuphela kodwa azihlukani.
Kungakhuthaza ukukhula kwengane kanogwaja.2.Ukungena komoya kahle kungagwema isifo esithathelwanayo ngokuphumelelayo.
Ingakhuphula izinga lokusinda likanogwaja wempahla.
Sakha ibhodi lokuwisa elitshekisayo lokushelela phansi indle iye phansi.
3. Ukuze ugcine ikheji likanogwaja lihlanzekile futhi lihlanzekile, ungasebenzisa ibhande lokuhlanza indle ngokuzenzakalelayo noma isicoci sendle ukuze uhlanze indle.
4. Impahla eluhlaza: ikhwalithi ephezulu yocingo lwensimbi oluthambile, ucingo lukathayela, ucingo lwensimbi engagqwali.
Ishidi eliphehliwe, ishidi le-aluminium -zinc kanye neshidi lensimbi engagqwali.5. Ukwelashwa kwendawo: i-galvanizing eshisayo. Ububanzi benetha langaphambili nocingo lwensimbi oluseceleni: 3mm.