Citing the disposal of Gencor 's stake in industrial holdings group Malbak Ltd for one billion rand among other smaller disposals , Gilbertson said Gencor had pruned its portfolio to concentrate on core assets .
<response> Citing the disposal of <organization>Gencor</organization> 's stake in industrial holdings group <organization>Malbak Ltd</organization> for one billion rand among other smaller disposals , <person>Gilbertson</person> said <organization>Gencor</organization> had pruned its portfolio to concentrate on core assets . </response>