
To execute various works required and various sharpening a cutting tool — so, Turner must change the cutters when switching from one operation to another. However, in everyday life, few people remember about it, and to sharpen the knives at a certain angle difficult. This task will be anyone can do it, if we use the device shown in the figure. Thanks to the holder with the holes and attached to a grinding bar to the shank of the selected sharpening angle of the tool is kept very accurately, which is especially important for scissors.
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We named our potato digger a screw-drum digger after its two main working elements. It is intended for harvesting tubers on educational and experimental plots, as well as household plots...
SOLDERING WILL BE MORE CONVENIENT
Metal "crocodile" attached to the soldering iron stand, will simplify the work when joining the two parts: it is held one part, and the second is a tweezer, and you can safely solder.