In order to ensure the safety of electrical equipment during sudden surges, there are special systems surge protective. They help to avoid breakage and equipment failure.
LEARN TO CONTROL YOURSELVES
What is auditory training? Is the ability to replace eight hours of sleep sorokapyatiletnyaya rest. This exclusive attention, phenomenal memory, the ability to “turn off” the pain, stop bleeding, keep warm in the fierce cold. But to master the skills of autogenic training only under the guidance of knowledgeable teachers, working hard for many months and even years. Step by step develops the subtle introspection, a vivid imagination and an iron self-control, the student seizes the opportunities for active relaxation and concentration, learn how to use the formulas of self-hypnosis and consciously control dreams.
ABRASIVE SNAIL
For grinding flat surfaces simply wrap sandpaper any bar — and work will become easy and convenient. Where you want to clean up the abrasive from the inside of the tubular part or “pollinate” zheloboobraznogo, like that kind of fixture. It is a wooden cylinder with a longitudinal slit in it, fill the ends of Read more…
WINDSURFING: A LITTLE THEORY
Windsurfer strikes the imagination at first sight. Everything in his appearance unusual, does not fit into the established way of sailing, even just a little, ship. Instead of the housing Board, the mast is hingedly fixed to the steps and held only in the hands of the athlete, no line of the Scots, the halyards and other rigging. But the most unusual and unfamiliar in the windsurfer is the lack of steering, which place was occupied by a stationary fin.ATLAS PROFILES
Profile “CRD-2”. Developed in 60-ies of the Western European model airplanes especially for rezinomotornaya models. This profile is also recommended for glider models of a class “A-1”.WINEPRESS OF PLAYER…
This, of course, is not about combining the functions of the electrophone and sharpening device, but only about using the motor from an old player. With its help, if necessary, you can improvise a workable knife. To do this, simply push on the shaft cone rubber stopper, and it is to put a small sharpening Read more…
POTS FROM THE BOTTLE
In connection with the widespread use of plastic bottles for various beverages are less widely distributed and household utilizame; them after use. Here is another application — in the form of pots. It is enough to respectively cut off the top part, as shown in the figure.
BUILDING A CAR
FROM THE ENGINE TO THE WHEELS The transmission from the engine to the wheels can be carried out on a homemade car in different ways. In practice, often such schemes:
ARSENAL QUALITY
CHAINMAIL FOR THE METAL. Like invisible arrows, affects the corrosion of metal surfaces operating in hostile or wet environments. Rust stains, caked wounds cover almost the entire surface of the structure, reducing its strength, significantly reducing the service life. Widely used for corrosion control coatings are not always effective, especially in high temperatures.SLED… IN A ROLL
In the folded, or rather— in the collapsed view, such a sledge is very transportable, you can even carry them under one arm, and in the car trunk will fit several sledges-rolls. Design features and shape such that the glide slope is smooth, without jumps and shaking, and the stability (due to low centre of gravity) is so great that to fall off that sled is almost impossible.