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Manual shovel with waste honing wood mold
The scraped trowel is ground into a wooden mold manual shovel, and the effect is obvious. Use a file with a thicker edge and a thicker blade (the file is too fine, the hardness is too high, it is easy to be brittle during grinding and use), the size of the old file is 200mm × 35mm × (5 ~ 6) mm, the old file will be selected One side depends on one side of the grinding wheel, and a groove is made by grinding the diameter of the grinding wheel. The rear end of the groove is about 1.5 to 2 mm deep, and the front end is dark red 0.1 to 0.2 mm. The side of the grinding groove is used as the back side, and then the razor blade is placed on the sand.