This bike has unusual pattern and drive: two steering wheels, instead of rotating the pedal — levers. The force on the chain is transmitted when a cyclist privste from the saddle. And of course, no accident that the author constructs A. Zavratnik from the city of Kirov believes that a bike of this scheme, in addition to their primary role, is especially good as a casual trainer, substitute physical exercises.Recommend to read
GRIND FOR COBS
As described below, the thresher works on the principle of rolling corn cobs in the progressively narrowing gap formed between the cylindrical drum and concave with rubber surfaces. Cob,...
HEAT AS THE FIREPLACE
Nice in the dark frosty evening to sit by the radiant heat of the heater. But it becomes more comfortable when in it, like in a real fireplace, flickering "flame" and crackling "wood"....
