Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26.

各种天然砂，不论是否着色，但第二十六章的含金属矿砂除外。

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The most common approach to extracting metal-bearing ore from a porphyry copper deposit is by open-pit mining, although such mines also typically include some underground activities.

从斑岩含铜矿床开采含金属的矿石，最主要的方式是露天开采，尽管这种矿床常会伴随一些地下的地质活动。

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Miners must drop metal tokens bearing their identification Numbers into a wooden box decorated with the colors of the Hungarian flag before gathering in a wooden elevator to take them into the shaft.

在集中于木制的电梯进入传动轴之前，矿工们必须将包含他们身份证号码的金属令牌投到一个装饰着匈牙利国旗的木箱子里。

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Such concentrations are usually created by geological events, such as volcanic eruptions and tectonic plate shifts that steer hot metal-bearing fluids into upper, accessible parts of the Earth's crust, erosion, or massive sedimentary movements.

WSJ: Exhausting the Earth's Resources? Not So Fast

To the bottom would be lowered waste-bearing metal canisters a foot across and 15 feet long.

FORBES: The Big Dig

Since the 1920s, the way to make a car has been to construct a metal shell bearing all the stresses, based on load-bearing floors, pillars and panels hammered out by huge presses costing millions of dollars.

ECONOMIST: Cars