In construction you often have to deal with the internal measurements. For example, to determine the distance between the form panels, the value of the window or doorway. A good assistant in such cases would be sliding ruler, made of tube and metal rod with applied risk.
Recommend to read
- ROCKET AND GUN “TUNGUSKA”
By the end of 1960-ies has increased its attention to the creation of highly mobile anti-aircraft army air defense short range, able to work as part of the advanced forces that could be...
- CLASS F2D: NEW TECHNOLOGY
In recent years, modelers have increasingly used in their designs packing foam. This material is lightweight, sufficiently durable, uniform and well handled by termoindurente — Izanami...