Lilemong tsa morao tjena, ka ts'ebetsong ea melaoana ea boleng ba moea ka koloing, boleng ba taolo ea koloi le boemo ba VOC (volatile Organic Compound) li fetohile karolo ea bohlokoa ea tlhahlobo ea boleng ba makoloi. VOC ke taelo ea metsoako ea manyolo, haholo-holo e supa ntlo ea koloi le likarolo tsa mochini oa thoto kapa lisebelisoa tsa metsoako ea manyolo, haholoholo ho kenyelletsa letoto la benzene, aldehydes le ketone le undecane, butyl acetate, phthalates joalo joalo.
Ha maqhubu a VOC ka koloing a fihla boemong bo itseng, a tla baka matšoao a kang ho opeloa ke hlooho, ho nyekeloa ke pelo, ho hlatsa le mokhathala, esita le ho baka tsitsipano le ho akheha maemong a tebileng. E tla senya sebete, liphio, boko le tsamaiso ea methapo, e tla baka tahlehelo ea mohopolo le litlamorao tse ling tse mpe, tse sokelang bophelo ba motho.