PROTECT AND INCREASE

PROTECT AND ENHANCEOften you have to handle the fine details of any corrosive liquids, vapours which are harmful to the eyes, and have to work close low, which further increases the risk. Need goggles, but at the same time it is desirable to have a magnifying glass.
If the frame of glasses is a rubber one glass is simply replaced with a suitable lens. Will be able to use a clock and a magnifying glass, if you make it a transitional plastic or rubber band, tucks under the edge of the rim goggles.

 

A. VINOGRADOV, G. M o g I l e in, Belarus

Recommend to read

  • VALVE OF THE ENGINE FOR THE MAPVALVE OF THE ENGINE FOR THE MAP
    (The end. Beginning in № 12, 1974)   In the previous issue of master of automobile sports of the USSR M. Todorov spoke about how we need to begin work on the boost engine, providing...
  • Eternal penEternal pen
    If beautiful ballpoint pen single-use (no refills) spent paste, it can be refilled using a conventional rod and a piece of polyvinyl tape. To begin with pliers or a dull knife remove the...