 <unk> Mata <unk> <unk> ( <unk> ) , one of the largest publicly traded companies in <unk> , set up a cement plant in <unk> at <unk> Industrial Estate . The plant , manned by 40 people , produces ordinary Portland cement and Portland blast <unk> cement . It currently has a combined production capacity of 2 @.@ 75 million <unk> ( million tonnes ) . 
