(Screw) is a tool for the artist is at the head of the screw with tightening or a Groove and bolts features available, it uses the butt of the handle and tighten nut head, rotate the anchor into the picture to another device, as always, adhere to the chin together. By the characteristics of the screwdriver is equipped with. Hilt, trunk or stem, and finally is the mouth of the screwdriver.
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