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With a fluorescent flashlight, it is easy to detect the leakage. Wear protective fluorescent glasses and use a small light flashlight to carry out a detailed inspection. If there is a fluorescent effect, it indicates that there are leaks, and parts need to be repaired / replaced.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.