Sometimes when working on a ladder is required to extend, trim some detail, and to use the necessary tools. Great convenience will create a removable stopni-workbench, which is easy to do several rods and a piece of plywood or chipboard.
Recommend to read
WHO IS FASTER?
Probably you are familiar with simple electrical device for training "the steadiness of the hand" — a metal panel with a narrow winding slot, along which, without touching its edges, it...
BUILT-IN PROTECTION
Not every radio has a built-in protection against so-called "polarity" and incorrect connection to power supply with a known high voltage (which is necessary, unfortunately, to...
