1.Awoodda wax-soo-saarka ballaaran ee shaqeynta aan kala go'a lahayn.
2.Qaabka aan dhibsanayn, inta jeer ee burburka ugu yar, kharash joogta ah oo jaban, hawl fudud oo joogto ah.
3. Kala duwanaansho ballaadhan, oo ku habboon qallajinta budada, qayb ka mid ah, xariijinta, iyo alaabta adag, oo leh karti la qabsi hawleed oo la taaban karo, awood u siinaysa isbeddello la taaban karo ee wax soo saarka iyada oo aan saameyn ku yeelan heerka sare ee ganacsiga.
4.Dadaal la'aan in la maydho.
1. Warshadaha kiimikada: sulfuric acid, caustic soda, ammonium sulfate, nitric acid, urea, oxalic acid, potassium dichromate, polyvinyl chloride, bacriminta fosfate nitrate, bacriminta calcium magnesium phosphate, bacriminta isku dhafan
2. Warshadaha cuntada: glucose, milix, sonkor, fitamiin maltose, sonkor granulated
3. Waxyaabaha macdanta: bentonite, xooga saara, dhuxusha, manganese ore, pyrite, nuurad, peat
4. Kuwo kale: budada birta, soybeans, wasakhda wasakhaysan, taraq, balka, badarka distiller