While working on podmostjah you need a hammer — you have to go after him, and after? Again to descend, to put in place. But soon he again had to jump back and forth, attach to the side of the trestle bracket under the instrument — and it will always be at hand.
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THE LIGHT WILL ACTIVATE THE SIREN
The proposed German magazine "Funkamateur" light relay is activated when light falls on the photoresistor R1 (see diagram) — when this occurs, a loud siren sound. Transistors VT1, VT2...
NOT CLOSE, BUT WILL PROTECT
Open door wall shelves — a potential danger for the head leaning under her man, forgetting its pre-close. The strike will not happen if from the shelf to the door to attach any elastic,...
