Solution: in case of spreading, sprinkle some salt on the stain and wipe it with soft brush. Then wipe it with towel which has water, detergent or alcohol.

污渍种类：血液解决方法：用纸擦拭后再用双氧水擦，滞留过久的血迹，亦可擦掉。

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Then scrub with anhydrous alcohol cotton ball circuit boards, gently wipe with a dry cloth interior line group, and finally hair dryer and then dried.

然后，用无水酒精棉球擦洗电路板，用干布团轻擦内部线路，最后再用电吹风机吹干。

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