RESCUE DOWEL

RESCUE DOWELIf 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

  • Electronic metronomeElectronic metronome
    "beats" the beats not only sound, but light pulses. In his scheme includes two transistor of different conductivity. The excitation amplifier is implemented by using positive feedback...
  • WITH THE ENGINE OF THE SCOOTERWITH THE ENGINE OF THE SCOOTER
    The tillers built by members of the circle "Young technician" vocational school № 25 of the city of Tartus. With it treated potato plots, mow the grass, carrying cargo. The...