The device to prevent theft in large and small retail outlets, according to many experts, are the most reliable among all types of protection systems applied in practice. Outwardly, they look like two open valves “gate” installed in parallel (photo 1). The device do have a greater probability of determining the anti-Krasnoy label (due to extremely high power pulses supplied to the antenna). However, the pulses of these devices have a negative impact on human health (with frequent and prolonged exposure), mainly due to their high power.
IN THE SOCKET — THAT!
On the switchboard garages, workshops and home labs often use the same sockets to connect consumers designed for high (220 V) and low (12V) voltage. The danger is the inclusion of 12-volt device in a 220-volt outlet. To avoid this, I propose to modify the 12-volt plug as the most “risky” of an erroneous connection Read more…
The idea to make a transportable cottage I have matured more in those years, when the travellers dream on road service was just impossible. So I decided to provide it himself. I must say that you made many years ago, the country successfully is now. After all, the campgrounds and motels are mostly located near busy roads. I bivuachnoe its housing break right at the place of rest, close to nature, almost causing her harm.
Your dream has come true – and here you are on the sea. Dazzling sunshine, with the quiet rustle of pebbles rolled on the coastal waves, the salty sea breeze caress your hair. Mask, snorkel and fins – your eyes open a wonderful world of underwater Kingdom. You slowly float along the ridge of huge stones and notice the impressive size of the fish. What a shame that you have not taken a vacation speargun. That would be a mining…
Reliable power supply and grounding are paramount to the operation of appliances, computers, local area networks, peripheral devices, connect the various cables (e.g., computer, printer, TV-VCR, and in other cases). The use of protection devices, in particular, uninterruptible power supply (UPS) efficiently only in the presence of good grounding. The practical implementation of a reliable ground as relevant (from the point of view of protection, long-term use and safety) that is no less important than, say, the life and health of a person. Because these concepts are interrelated. How to securely ground the equipment — the theme of my article.
Any frame — big or small — design “strict”: makes serious demands on the butto-ness of angles and their careful execution and connection. To simplify the manufacture and to get a quality frame with less effort, the French magazine “System D” offers two simple and convenient devices, which you can do yourself: a tablet for cutting sticks or baguette and a press for bonding of the workpieces.