If the drilling hole in the concrete wall towards the drill catches a very durable stone, it is even a great tool with a well-sharpened carbide-tipped is powerless: the drill leads to the side or it quickly “sit.” In this case, the rescue steel construction dowel the proper length to: break the rock and drill further.
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WITH THE “METEOR” LYRICS
High-speed cord model presented on these pages, designed and manufactured in the older group of avtomodelistov club for young technicians Novosibirsk plant named after V. P. Chkalov. A...
THE ASSISTANT HAMMER
When disassembling the boxes and shields cements their nails without the work gently unfold to use again. This will require a simple device — a metal finger Ø 10-15 mm with an internal...