If you take half of metal barrels and its inner wall coat layer of a concrete mix, get durable enough stove for burning various household and garden waste in the garden. Loaded this pizza oven top and bottom can have ash pit to provide the necessary traction and feet to the bottom is not rusted.
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“Teremok” garden house
SUCH GARDEN HOUSES ARE POPULAR AMONG AMATEUR GARDENERS: THEY ARE SIMPLE AND AFFORDABLE TO BUILD; THE SET OF MATERIALS NEEDED FOR EACH IS QUITE CHEAP; BESIDES, SUCH A TWO-STORY COTTAGE HAS...
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...
