Figure 20. Post-war Soviet, cheap, lightweight versions from 1954 to the 1970’s. They were mainly for industrial use and sold to the general public, often in brighter colours. For ease of construction they usually have flanges (first 3) on the brightly chromed, pressed sheet steel frame. Bottom left, is the cheapest version, with no hem, just zigzag stitching to stop fraying. Bottom right, from the style and materials used it is probably a late pre-1954 model.