Kuthuthukiswe uhla lwezixazululo zomkhiqizo nezinsizakalo ezintsha zabahlanganisi nezigayo kanye ne-extruder esetshenziselwa ukulungiselela injoloba.
Kuthuthukiswe uhla lwezixazululo zomkhiqizo nezinsizakalo ezintsha zabahlanganisi nezigayo kanye ne-extruder esetshenziselwa ukulungiselela injoloba.