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.
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.