| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to cut and dismount a structure at a place where no person can approach. SOLUTION: The horizontal part 20A of a diamond wire 20 is guided by vertical cutting pulleys 15. A telescopic attachment 1 is extended or contracted to be cut vertically downward or upward. Horizontally cutting pulleys 17 are turned to guide one side of the horizontal direction of the part 20A, and the attachment 1 is moved in the horizontal direction to cut in the horizontal direction. |
