Rio Tinto Group and Xstrata Plc rallied with metal prices as the dollar tumbled even after the G-20 pledged to avoid "competitive devaluation" of their currencies.

G20财长会议承诺避免出现竞争性货币贬值，随着金属价格上涨，美元汇率下跌，力拓集团和斯特拉达公司股价上涨。

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Ladder feet are in good condition, e. g. rubber tips on metal rolling ladders. "Safe-Hi" feet on extension ladders.

梯子脚底是否有很好的止滑垫片。如金属梯子脚底的橡胶，延伸梯的防滑垫片。

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Combustible scraps, debris and waste materials (e. g. oily rags) should be stored in covered metal containers and removed from the work site promptly.

易燃的废屑、碎料和废弃物料（例如油抹布）须存放在有盖的金属容器里，并即时搬离工作场地。

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Fisherman's Friends singer Trevor Grills suffered critical injuries after being hit by a falling metal door at G Live in Guildford, Surrey, on Saturday.

BBC: Fisherman's Friends giving statement in Port Isaac

The calculations indicate that the formation of longer chain hydrocarbons can happen in pure methane but the process is accelerated when the methane molecules are in contact with metal or carbon surfaces, e.g. diamond which act as catalysts for the methane-polymerisation to occur.

FORBES: Deep Oil From Diamonds? Maybe, Says A New Report