Drilling, drilling in the shape, has a central longitudinal axis, which includes a climbing face, a part of the body extends from the axial direction away from the climbing face, a part of the body has a shell and a near part definition Multiple enclosures, multiple circumferentially separated cleaning channels, for a hole.

摘要

A drilled climber drills holes in the shape with a vertical central axis, because it contains a face of a climber with a high surface and a part of the body, which is axially extended away from the face of the climber In the next part, it defines multiple reliefs on the surface of the human body, a method of making holes in one shape.