“DIMENSIONLESS” ROD

If in a ballpoint pen out of toothpaste, and long rods at hand was not, take the short splice and its extension from the part used stem, cut off from the writing site. To the working rod wrote flawlessly, its tube should be communicated with the atmosphere. Therefore, carefully wash the extension after removing it the bulb.
 
N. RYZHOV, Ust-Kamenogorsk

Recommend to read

  • BORING MILLING OFBORING MILLING OF
    The functions of the boring machine can run, and milling. Of course, at a lower level of precision, but for many works this is not essential. For such conversion we recommend you to use...
  • BRISK, WHEEL, REVERSEBRISK, WHEEL, REVERSE
    To the tinkerers, to engage in farming consider themselves not the first year. As a regular reader of "Modeller-designer", produced (with the help of coffee design) mower, mini moped...