Take out all the metal contacts etc. until you have yourself a blank battery tray.
取出所有的金属连接等，直到得到一个空白电池托盘。
Atlas, strap material of common plastic, copper, stainless steel, tungsten titanium alloy, high-tech ceramics, metal, etc.
表壳、表带的材料常见的有塑料、铜、不锈钢、钨钛合金、高科技陶瓷、金等。
In history, many things have served as money, such as shell, tobacco, metal, etc.
历史上很多东西充当过货币，例如：贝壳、烟草、金属等。
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