While conventional assets are relatively easy to develop and historically have offered good returns, projects in some more technically difficult sectors like deep-water and LNG typically take longer to bring on-stream, and are higher cost, meaning returns are lower.

WSJ: Big Oil Companies Are Shifting Their Focus Back to the West

This kind of cancer is relatively easy to treat, but these women are at increased risk to develop more serious forms ofbreast cancer that are likely to spread to other parts of the body and become lethal.

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