
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
Garden sofa
Mankind has made and described a huge number of the most diverse garden benches. But two reasons did not allow us to take advantage of centuries of experience: the absence of special...
HANDLE FOR A FILE
Handle to a file? What could be easier! Bought, planted a file, and you're done! Well, if the file is too large size and its shank when the head is just going to break a normal pen? It...