Over time, the cork in the thermos like shrinks, it decreases in diameter and tightly stops clogging his throat. To restore the dimensions of the tube is possible by drilling it from the top blind hole and entering the back benches of thorn — wood truncated cone.
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AT THE START OF THE MODEL-COPY
Very often the students see on television or in a magazine, the launch of the spacecraft, have a vital interest in how this happens. If I could build such a rocket! And-models are very...
TRACTOR-TERRAIN VEHICLE
This machine is created by a Hadith Shagalievich Shatalin sons from the village Sermenevo. Engine — diesel D-37 electrical equipment — from tractors T-40, axles with wheels from GAZ-66,...