Goalkeepers use protective padding on the torso and shouldersand gloves with forearm protection, as well as a helmet with either a grid or a mask made of unbreakable transparent material.

守门员在躯干和肩膀上使用保护垫，并且带有手套用于前臂的保护，由不易破损的透明材料做成网格或者面具头盔。

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The smart grid will collect information from all the devices, monitoring the external weather, changing the configuration of the protective skin and managing all energy USES inside the buildings.

智能电网将收集来自所有设备的信息，监控外部天气，改变保护皮肤的结构和管理建筑物内所有能源使用。

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This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.

文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。

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