Do not you find that a bunch of keys in your pocket slizhkom became cumbersome? Solder them in pairs, and it will be much more compact and easier to use. The keys are connected to a pair of depending on the length and destination. Possible combinations can be the key to the apartment and from the mailbox; the key of the garden gate, and to give the key to the garage and from the castle at the gate.
Recommend to read
“LIGHTNING” FROM THE BATTERY
Most of the photographers prefer flashes with battery. Such pulsed lamps serial production get a charge from the battery "Molniya" or the inverter low voltage dry cells in the high. But...
CAREFUL DRILL
If there is a need to make a hole in the polished furniture or to protect the surface of the finished furniture plate when drilling through it — enough to put on a safety drill "puck" of...
