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
CUTTER-TRIDENT
To return the sharpness of the shallow notch of a file is unlikely, but this small, flat tool can make a handy cutter for Plexiglas, textolite and other soft sheet materials. Sharpen it...
“POLITBURO” – THE LOCOMOTIVE OF KOLOMNA
Locomotive PB-21 of issue, 1934. In the early 1930-ies the USSR had embarked on the reconstruction of Railways, in particular, the decision not to build cars with the number of axes less...