When my grandson Grisha began to grow and stopped paying attention to previously favorite toys-rattles, the home began to notice that he started to show interest in different instruments and even mechanisms. Then I decided to make him a little electromobility-Quad, where in good weather you can ride on the street, and bad — Yves room. And not only that the child received pleasure from riding — mastering the driving skills he was introduced to technology, getting acquainted with its device.
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The legend says, Aphrodite was born from sea foam. Of course, it’s just a beautiful tale. But these days, many amazing things are born from the foam due to the marvelous chemistry. Foam — expanded polystyrene or polyvinyl chloride. In the poison if you can find other materials having a similarly low specific gravity and of such limitless possibilities, how this frozen foam.
Some just “containers” for books not used by students going to school, from stylish backpacks and briefcases to canvas bags, and plastic bags. But if high school students is allowed without any restrictions, the kids still have clear recommendations to pediatricians: only a satchel. Because being on the back, it provides uniform load on the spine, protecting it from harmful to posture distortion, is inevitable if carry, for example, a briefcase in one hand.
Where will be introduced the trailer (see Fig.), developed plant facilities carpool trust Kuzbasstrans of Glavkuzbasstroy, will not require workers to dump taken on it lumber. A whole load of neat package “move out” on the ground because of the properties of the tipper trailer. This means that won’t affect the quality of the material brought will reduce the downtime of the car for unloading.
How soft and manageable fire “snakes” rolled in the hands of the rollers, they are so stubborn and hard to handle in the cold when cutting them on the measuring of the workpiece. Cutting methods — sawing with diamond discs, gas or plasma cutting or not give a smooth, does not require additional processing of the edge of the workpiece, or entail a significant waste of metal.
One of the major examination quality, which is a metal or alloy before you can become a responsible part of modern technology, the test of a test sample in tension. However, to determine what load it is able to withstand, you need to mount it in the testing machine. Existing methods or time-consuming, or complex. Innovators V. Kropotin and O. Ermolaev presented at the exhibition of IR-77 is a simple device and yet a very efficient clip (see Fig.), firmly gripping and holding the “pencil” test material.