Lero, tifotokozera mwachidule njira ziwiri zazikulu zothandizira pamwamba pazitsulo zachitsulo.
1. Utoto wophikira: Utoto wophikira umagwiritsidwa ntchito kwambiri, ndipo mitundu ina ya Volkswagen imatengera izi. Makhalidwe a ndondomekoyi ndi: mtengo wamtengo wapatali komanso mtengo wapakati; Utoto, kukongola, ndi kusunga kwa nthawi yaitali-; Nthawi zambiri, mphete yachitsulo iyi imakhala ndi mawonekedwe osiyanasiyana.
2. Electroplating: Electroplating ikhoza kugawidwa m'mitundu monga siliva electroplating, electroplating, ndi electroplating koyera. Silver electroplating ndi water electroplating zimakhala ndi mtundu wabwinoko, koma zimakhala ndi nthawi yaifupi yosungira, pamene electroplating yoyera imakhala ndi ubwino pamitundu yonse komanso nthawi yosungira, choncho mtengo wake ndi wokwera kwambiri komanso woyenera magalimoto apamwamba{2}}.