Imveliso yoxinzelelo lweMid isetyenziselwa ukuthutha kunye nokugcina izixhobo zekhemikhali, ezinje nge-oxefied petroleum gesi, i-ammonrous ammonia, propylene, butadiene, isobutene, dimethyl ether kunye nezinye izixhobo zekhemikhali, ezinomthamo omkhulu, ubunzima obukhaphukhaphu kunye ukulayisha ngokukhawuleza kunye nokukhuphela ngokukhawuleza izinga.