1.PC urufunguzo rufite itumanaho ryoroshye, imikorere yo hejuru.
2.Ibikoresho byo gutwika umuriro, garanti yumutekano, icyuma kitagira umwanda anticorrosion hamwe n ivumbi.
3. Harimo impeta itagira amazi ya silicone, ikomeye kandi yizewe.
Ibicuruzwa birakwiriye kugenzurwa, ibikoresho by'isuku, ubwikorezi, ibikoresho byumutekano, ibikoresho byubuvuzi, ibikoresho byo murugo, gutangira, nibindi.