The leakage protector in electrical training room is an effective measure to prevent physical shock.

电气实训室的漏电保护器是防止人身触电的有效措施。

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The technical problems to be solved are: the design of mouth protector and its connection with the broadsword body, shock-proof of power supply and its connection with the broadsword body.

需要解决的技术问题：护口设计及其与刀身的连接，电源防震及其与刀身的连接。

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Familiar with Unequal's claims that its pads can absorb up to 80% of the "chronic impact shock" from hits, Mr. Hatfield asked Unequal to design a chest protector for Mr. Vick using the same patented technology Unequal develops for shoes worn by some NFL players.

WSJ: Michael Vick's Endorsement of Unequal Technologies Padding