Ngokukhula kweenkxalabo zokusingqongileyo, imfuno yezithambisi ezingenayo ityhefu kunye ne-biodegradable inyuke kakhulu.Ukuphendula le mfuno, i-Oilbayer, egxile kwi-R&D kunye nokuveliswa kweekhemikhali ze-oilfield, iphuhlise i-lubrican enyibilikayo emanzini...
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