Lethathamo la melaoana e mecha ea machaba e fetola haholo phepelo ea thepa ea moriri selemong sena. United States e thathamisa katoloso ea moriri e le thepa ea litlolo, e hlokang ngoliso ea lifeme le tlhahlobo ea polokeho ea lihlahisoa. Melao e nchafalitsoeng ea EU ea REACH e thibela litlatsetso tse kotsi tsa lik'hemik'hale tse sebelisetsoang ho daea moriri le ho lokisa ka morao. Lifeme tsohle tsa moriri tse shebaneng le kantle ho naha li hloka ho ntlafatsa ho lateloa ha lintho tse tala le ho latela metsoako ea lik'hemik'hale ho khotsofatsa maemo a mebaraka ea mose ho maoatle.