1. The metallic emergencv ladder is made of stainless steel,which is
in accordance with the standard CNS 13230.
2. A man may escape from top to bottom or from bottom to top by using the ladder.
1. Step: 6.
2. Ladder leng: 2.10m.
3. Useable height: 2.2~2.5m.
4. Box height: 205mm.