How to install stair Need to set the stairs away from the vertical of the stairs, about 1/4 of the length of the ladder. And must be anchored securely to prevent binding to slippery.
How to install stairs To set foot away from the vertical plane of the ladder approximately 1/4 of the length of the ladder and must fasten tightly. To avoid slipping
How to install the stairs. To set the bottom keep away from the vertical of auxin about 1 / 4 of length of the ladder.And the need to tie the hold on tight to prevent slipping.