
In the practice of the house master there is often a need in a small brush for cleaning small parts, corrugated surfaces, plates or printed circuit boards. Very convenient for this purpose, a regular toothbrush. It is only necessary to change (as shown in rience the configuration of its handles, heating over the flame of a gas stove or in boiling water.
E. SAWICKI, g Korosten, Zhytomyr region.
Recommend to read
ELECTRONICA — TREE
Kit electronic Christmas decorations from four independent devices developed and produced by the student of 9th class member directorship radio children's Palace of creativity from the...
ASSAULT GUN “FERDINAND”
His appearance in the world's most famous German self-propelled gun of the Second world war, Ferdinand was obliged, on the one hand, the intrigues around the heavy tank /K 4501 (P), and...