Drills [kiri]
Kiri
Kiri
The conical wears a conical tip at the tip of the pole and has a rat car at the top of it. A string is passed through the upper end of the stick, and both ends of the arm tree passing through the stick is tied. The winding action of a string stretched in a triangle makes the armwood up and down to rotate the Drills to make a hole.
Cone
In the hand drill, the gear rotates by turning the handle, and the tip of the cone is rotated to drill holes.
Automatic Drills uses a cylindrical pattern internal spring to rotate the tip of the cone and drill holes by pressing the handle up and down.
Automatic Drills, hand drill from the top
Special Exhibition
Permanent exhibition