There are strengths and weaknesses in the combination wrench and the monkey wrench, which can play a role in appropriate occasions. These 3D printing tools are more interesting, and the screws for removing and 3D printing are very convenient and practical. Not suitable for disassembling and disassembling real screws. In addition to introducing the basic functions and advantages and disadvantages of the wrench, The end of the video introduces the use of tips that a few people know, it is very practical to try it.
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