Amaketanga okufaka ubufakazi bokuqhuma asetshenziswa kakhulu ezindaweni ezingaba nomlilo kanye nokuqhuma okuyingozi njenge-petroleum, i-petrochemical, iziteshi zikawoyela, amadepho kawoyela, ukukhiqizwa kwegesi, amakhemikhali, amasosha, amandla, izimayini, izinto zikagesi, izitimela, njll. Ukungqubuzana nokushayisana phakathi kwe-pr...
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