うまくいかなくなる可能性

1. 1Changes in copper and other metal prices can materially affect sales revenue and financial results.
2. 2Community actions, illegal mining, political changes, or problems obtaining and renewing permits and concessions in Peru or Mexico can delay or stop mine projects and operations.
3. 3Lower-than-expected ore grades, equipment or process failures, and interruptions or higher costs for energy, fuel, water, labor, or supplies can reduce production or raise operating costs.