Distinct chemical treatments to the conversion into last products or perhaps the removing of pollutants are employed for the Protected disposal of contaminants.[8]?????? ??? ????? ??? ?? ?? ???? ????? ?? ?? ???? ???? ??????? ???? ?? ?????? ?????? ?????? ????? ??? ???? ?? ?????? ??????? ??? ???? ?? ?? ???? ? ??? ?????? ?? ?? ?? ???? ??????? ????? ??