
AMBULANCE BOOK

Even the person far from technicians, often have to Unscrew-screw the screws, bolts, nuts (hardware — so often referred to in abbreviated form these metal products) are designed for this tool — a wrench. Each key caused the size of its working parts, simply — throat. But the corresponding value is the size of the key — referred to in the technical handbooks by the letter S (the distance between the opposite parallel faces on a nut, bolt head or screw), is not listed on any of the fasteners. No, as a rule, these data and the attached to any technology operating instructions and repair even in the notation and in the drawings, although other information about fasteners in them abound: specify thread size, and her step sometimes the length and even the type of heat treatment, often tightening torque. But most of these data — structural, and they need to manufacture parts. When the adjustment, repair or Assembly work of the above settings thread, except the last one are not in demand. For a mechanic it is much more important to know what size front axle you need a key for the head of one or the other of the screw or bolt and nut (or, as professionals say, “the key is how much”).
due to numerous requests of our readers interested in the publications under this title (see No. 8, 1977, No. 5, 1978), put some more descriptions of decorative designs, metal and wood from the books by famous Yugoslav artist Dmitry Petrovich yourself.
The kids, happily folding cubes and collecting of the pyramid, and did not suspect that this so-called educational games designed to develop quickness and coordination. But they have grown and forgotten dice: they are replaced by other, more complex entertainment. One of the games for Teens offers the French magazine “System D”. It is also designed for quickness, coordination and even agility.