ecentric shaft for vibrating screen drg . Trained on the following, DRG1 engineering Drawings, DRG2 Material list, HT0 hand tools, HT1 Grinders and drill machines, MI identify materials,OM2,3,4,5,6 Operate of drilling machine, Guillotine, Shearing machine, bending mark off steel plates and beams, ER erect steel constructions, AS1AS5 mark off and fabrie .