In the production of construction or repair work is necessary to use the platform and the supporting part to them — goats. However, the latter is usually calculated at a certain fixed height, and work on them is not always convenient.
I use them instead of the two step-ladders. Changing the location of the platform on the steps, adjust the height as needed.
Recommend to read
SVATONOVICE
Remember as a child playing with blocks. He puts down one, two, three, top zagromozhdaet yet — and it turns out a car, home or tower. Cubes rebellious, impatient child — the structure...
AN UNUSUAL ALL-TERRAIN VEHICLES
What could be easier and more efficient wheel? This question asked a students of MVTU named after N. E. Bauman, and replies to it may serve as the exhibition NTTM-76, which aroused...
