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. V. ANTIPIN
Recommend to read
THIS CAR
Maximum simplicity, minimum weight and dimensions at optimum amenities available materials, components and assemblies, simplified (not at the expense of quality) manufacturing technology...
Rakes with wheels
Ordinary hand rakes for hay collection are an ancient tool familiar to every rural resident. As a rule, all parts of this tool are made of wood to make it lighter—after all, you have to...
