Body height is a height of a human body or in other words, a body height is the height of the ladder’s user.
Platform height is the height at which the platform is either to step on or to place your working tools – in other words, the distance between the platform and the ground.
Ladder height is a height from ground to the top of a ladder.
Working height refers to where your maximum reach is.
Ceiling height means the vertical distance between the floor and the ceiling height but at some point, ceiling height can also be refer as working height.
In order to do your job safely, you need to choose the right ladder. Watch below video, to know more.
Yes. Ladder width and length needs to smaller than the working area width so that you can work with peace of mind and comfortable to move the ladder around.
Do not step on the last 3 steps so that you can keep your body balance.