The torpedo is the central part of an interior of each car. On it the driver's look most often falls. But over time the surface of the torpedo begins to spoil and lose the attractive look. In that case it is necessary to replace folding details, or to completely replace the torpedo with new.

Rules of the left and right hand allow to define physical processes and to find the directions of magnetic lines, the directions of current and other physical quantities.

The buggy is held in the deserved respect at fans of extreme sports. In some designs of this sports car the simplified basis of production models is used, but often fans should invent the buggy anew, being guided by the ideas of what has to be the car for driving on off road terrain. Creation of the buggy begins with considering of the general scheme and drawing up drawings.

Application in our life everywhere is found for accumulators. They well proved as current sources. Acid-lead types of accumulators are used generally as emergency sources and in cars. As well as any non-continuous source of the electric power, the accumulator has property to be discharged.