''Roy Hill is a crucible of opportunity during a period of global uncertainty - it has already shown it will create new jobs and benefit the greater mining and construction related industries,'' she said. Those close to the 10½-year debt deal said it was unusually structured in the sense that Mrs Rinehart and her joint venture partners - POSCO, Marubeni and China Steel Corporation - will not be fully liable to repay the debt if the project fails to reach completion.