How efficient is to use green sand to eliminate sulphur from water?

أفضل جواب: <p>If a civil engineer goes though the procedure of chloride penetration test in concrete/RCC, he c ... الإطلاع على المزيد

أفضل جواب: Chlorination is nessecary for descinifiction from odor and bacteria.. but we must added the optimum dose ... الإطلاع على المزيد

أفضل جواب: The first option is the correct answer. الإطلاع على المزيد

أفضل جواب: Water is used for gardening & irrigation purpose for recycling الإطلاع على المزيد