But silver oxide becomes a strong acid when mixed with water, which corrodes the metal nozzles of spray guns, so he turned to plastic nozzles to overcome the corrosion problems.
由於氧化銀晶體加水後變成強酸，會腐蝕噴槍的金屬噴嘴，後來改用塑膠噴嘴，才克服腐蝕問題。