Ulwakhiwo lwemizi-mveliso yaseSaudi Arabia lulawulwa yioyile, igesi yendalo, iikhemikhali zepetroli, iikhemikhali kunye nemigodi. Ezi mizi-mveliso zibeka umngcipheko omkhulu wokuvuza kwegesi enokutsha, eqhumayo, neyityhefu. Ke ngoko, izinzwa zegesi ezithintela ukuqhuma ziphakathi kwezona zinto zibalulekileyo kumgca ongaphambili...
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