It will be a good helper in all cases where any surface is necessary to impart roughness. For example, to glue ceramic tiles on painted with oil paint the wall. You take a plate, fill her sparse number of nails so that their edge came from the other side, and you do not need to spend a lot of time and effort to cover the wall of the grooves providing the best coupling with the applied cement mortar.
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We are talking about different versions of electronic ignition devices (UEZ), is made as transistors and IC. The lack of scarce elements, as well as the simplicity of the schemes allow...
SOLDERING WILL BE MORE CONVENIENT
Metal "crocodile" attached to the soldering iron stand, will simplify the work when joining the two parts: it is held one part, and the second is a tweezer, and you can safely solder.
