There are two TVS diodes on this PCB for 5v and 12v protection.

有两台电视在这个电路板二极管为5 V和12v的保护。

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Vacuum gun and 24v soldering iron have good protection of PCB by antistatic design.

吸锡枪及24v烙铁为防静电设计，有效保护线路板。

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Main products are as follows: a circuit board, gilded burnish, gold plated copper thick OSP protection (series), PCB plating copper brightener, PCB tin brightener, etc.

主要产品如下：一、线路镀金光泽剂、线路板镀厚金工艺、线路板铜保护(osp)系列、线路板镀酸铜光亮剂、线路板镀锡光亮剂等。

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DiNapoli said he is withdrawing his resolution, which was filed in response to a U.S. Environmental Protection Agency progress report last summer that said PCB concentrations were higher than expected in some areas outside the project's footprint.

WSJ: GE to study Hudson River cleanup expansion