Old saw blade for metal can still be of use if, instead ground off the teeth to make a sanding disc edge. This painting, like a plane, it is convenient to process parts made of wood and foam.
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Amateur Designers often used in the transmissions of their cars, the chain transmission. And sometimes faced here what problem: for the calculated gear ratio chain couples find it...
FROM THE BARREL — STRETCHER
They can be made in just a few minutes. For this you need to saw off part of an old metal barrel and attach it with bolts to handles (e.g., spade handles). Yu MACHALA, 13 pet., Lviv, Ukraine
