Sisebenzisa ukunemba okuphezulu kwe-aluminium extrusion extrusion kanye nezinti ze-aluminium ezihlanzekile kakhulu ezingama-6063, ngokucubungula okwenziwe ngokwezifiso kwesikhunta sephrofayili, sikhiqiza izinhlobo ezahlukene zezingane ezishajayo -Ukulethwa