Lightweight foam Mat that tourists usually take to sleeping in a tent can serve as a roof of a canopy for kayaks, covering travelers from the hot sun or rain. The rug is hung on wire racks installed on the bulwarks of the boat and fixed with rope stretch from the stern to the bow of the kayak.
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School hydrometeorological station
"The school automatic weather station, constructed by students of secondary school No. 5 in the city of Klin, is of technical interest. The precipitation sensor and its registration on the...
SIMPLE, AS A SLEDGE
My snowmobile which I called "Ayavrik", simple in construction, as intended to overcome huge snowdrifts. I was built for moving from hole to hole for ice fishing on a snow-covered ice,...
