Shares of ABB Ltd. ( ABB ) fell 0.13% after the company announced on Jun 12 that it has completed the deployment of three gearless mill drive systems (GMDs) for Chile based Codelco's Mina Ministro Hales (:MMH). The company had received this contract in 2011 to provide GMD for 3 mills - a 36-feet 12 megawatt ( MW ) GMD required for the semi-autogenous ( SAG.V ) mill and a couple of 22-feet 8.9 MW GMD's for the two ball mills. Apart from these, ABB was required to provide gas insulated switchgear with a capacity of 220 kilovolt (kV), harmonic filters and power factor correction. The company was also required to construct three containerized E-houses to place the cycloconverter equipment, motor control centers as well as control panels.