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
CAPACITOR — IRON
In many household electric appliances — iron, tiles, fireplaces — still Dating nichrome spiral in ceramic insulators. These insulators are fragile and a spare in the sale does not...
TIMER : THE SIMPLER, THE MORE RELIABLE
The first year guys of our circle are doing Svobodnoye. Young athletes usppi to accumulate a lot of experience in the construction of light-winged paritala different classes and their...
