Bơm nước vào thùng pha axit theo lượng tính toán để sau khi đổ H2SO4 96% thu được dung dịch axit 5%, chú ý không để nước vương vãi ra sàn gây trơn trượt.
Pumping water into the bucket of acid phase according to the amount calculated to 96% H2SO4 after pouring the obtained acid 5%, paying attention not to scatter the United Kingdom water decks causing slippery.
Pumping water into the tank phase to calculate the amount of acid after pouring obtained 96% H2SO4 acid solution 5%, paying attention not to cause water littered the floor slippery.