In order to be able to adapt this stair (1) easily to the particular building requirements on a building site, the stairs (1) exhibit a multi-part adjustor (7, 8), with which the vertical distance (20) between two neighboring steps (4, 6) is adjustable. This construction allows, in ...
“The walker he used could not be used on stairs and he had to stay on the ground floor only. I felt really bad when I saw this and I wondered if I could adjust the walker in a way that it could be used on the stairs as well,” says Kumari. The incident in 2011 gave this...