Construction and mounting the nail dowel for fixing metal structures to concrete made from hardened steel. If you release hardened on the fire and sharpen the head a certain way, and then tempering it — get a perfect tool to the drill for figured wood and soft metals. L. MOROZOV, G. Samara
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Love your magazine and want to share with readers his "invention". A similar device was published in the magazine, but mine is more versatile. And took it when I had to lay down a brick...
