Mashiinka siliga laba-geesoodka ah ee caadiga ah wuxuu qaataa silig galvanized ama silig bir ah oo dahaarka leh oo PVC ah wax ceeriin ah si loo sameeyo fiilooyin tayo leh, kaas oo loo isticmaalo difaaca militariga, wadada weyn, tareennada, beeraha iyo meelaha beeraha xoolaha sida ilaalinta iyo xayndaabka go'doominta.
Daawaynta dusha sare: silig koronto galvanized ah, silig galvanized ah oo kulul, silig daboolan pvc.