Wokhala ndi gawo lodziyimira pawokha lokonzekera njira zodziwikiratu, loboti yanzeru yolondera imatha kulondera malo osankhidwa pafupipafupi ndikuwerenga zojambulira pazida zomwe zasankhidwa. Imathandizira kuyang'anira ndi kuyang'anira maloboti ambiri komanso mwanzeru komanso kuyang'anira kopanda anthu kuti athandizire kupanga zisankho pamafakitale monga mphamvu yamagetsi, mafuta a petroleum ndi petrochemical, nkhani yamadzi, ndi malo osungirako malo.