The first method is to immerse the stained part of the sail in a solution of 5 per cent oxalic acid dissolved in a pint of hot water.
Indlela yokuqala kukuntywilisa indawo enebala yeseyile kwisisombululo kangangee- pesenti ezintathu zesimuncu esiyi-oxaliki zinyibilikiswe kwipeyinti yamanzi ashushu.