This is a safety alarm device (SLD) is designed to automatically alarm (electrozone) in the case of penetration of unauthorized persons in the protected object — an apartment, dacha, garage. It is more immunity and no false positives. The unit is powered by 12-volt battery GB1 of the eight cells that consume standby current less than 5 mA.
WOOD ENGINEERING
Say, in the Urals during the difficult years of chaos after the civil war an artificer built a car where everything was wooden, even the engine. However, if the wizard so the echo legendary as Leskov’s Levsha, here the use of wood instead of metal in the most important nodes in modern machinery: rolling mills, tractors, cranes, harvesters — not a legend, but a reality of our days.AND HANDS INTACT!
Sharpen the saw — a simple matter, but it has the potential to injure your fingers on the sharp teeth. Use a cut rubber hose. It is sufficient to cut: it up and push on the part of the saw blade under the restraint of the hand and fingers are intact! LUBOVSKY O., Gorny, Read more…
SHOULDER TIE
In the closet or the wardrobe of any design there are shelves or brackets, hangers for placement and headwear, and outerwear, and shirts. But ties — no special device, except that the cord or the wire cross member on the door, designed in General more for belts. Between there’s the usual wooden hangers are easy Read more…
CORD PROTECTION
Cord electric soldering iron is typically not heat-resistant insulation. Therefore at its hit on a hot tip, perhaps a quick melt insulation and short circuit of wires. To avoid this, it is necessary to wear a cord round the required number of ceramic insulators that are used in the irons and frying cabinets. Plug contemporary Read more…
100 SECONDS IS NOT THE LIMIT
Parameters and characteristics of the model correspond to the categories Ѕ8А and Ѕ8В. The diameter of the container under the engine selected in accordance with a cross-section of the sleeve (MRD-2,5-3-3 or MRD-5-3-3). We present several design and technological recommendations for the production model.FORGE OF THE SIX BRICKS
The tinkerers are often faced with the need to forge some tools or household items. A temporary forge is easy to make from scrap vehicles. Enough six refractory bricks, blowtorch and improvised grates, made of steel strips with a thickness of 3-4 mm. In a fire-proof place folded, as shown in figure 1, the horn of bricks. On the bottom put two trimming water pipes, and on these bars, so that between it and the bottom bricks there is a gap. The grate is transverse slats of the grille is a little bent, so they seized the flame of a blowtorch and sent up.CEMENT
Every day we use a huge amount of things and have almost ceased to notice them. But it turns out in the production of minor things at first glance hides a lot of interesting and informative. Entertainment “Conveyor MK” reveals the secrets of making the most ordinary things at first glance. Today’s program: CEMENT.
