Njengemveliso yentsimbi ebalulekileyo, umbhobho wensimbi ongenamthungo usetyenziswa ngokubanzi kwiinkalo ezahlukeneyo, ezifana ne-petroleum, imboni yeekhemikhali, amandla ombane, ukwakhiwa, ukuveliswa koomatshini, njl. Okokuqala, ingcamango esisiseko ye-st engenamthungo ...
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