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
HELP OUT NEEDLE
Do not rush to throw undeveloped stem of a ballpoint pen, when suddenly the paste will cease to act from it. Very often it is due to the fact that the open part of the thin plastic tube...
SHOULDER TIE
In the closet or the wardrobe of any design there are shelves or brackets, hangers for placement and headwear, and outerwear, and shirts. But ties — no special device, except that the...
