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.
Recommend to read
ROCKET FROM THE SPORTING PAST
a Spectacular high-speed radio-controlled model-polyopia missile boats based on the hull of the sports racing model, has been one of the trends of creation of ships with dynamic...
TO HAMMER WITHOUT A HAMMER
In an awkward place where there is no opportunity to even swing a little hammer, "hammer" a nail with the help of the clamps: it will simply push, and on the hat, no worse than a hammer.
