Nov 18 (Reuters) - South32 Ltd S32.AX :
* Strategy to maximise return on invested capital and total shareholder returns"
* Says strategy will enable co to "reduce controllable costs by at least 350 million dollars per annum by the end of FY 2018"
* Strategy will reduce sustaining capital expenditure by 9 percent to 650 million dollars in FY 2016
* Source text for Eikon ID:nASX8FVQym
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