privernuty screws to a wooden cube, to help you quickly and accurately to solder the two conductors.
Recommend to read
NOT THE RING FINGER
Sometimes it is difficult to remove on finger tight ring, but much harder — pressed on the shaft bushing or bearing, Not accidentally creating a variety of devices. One of such devices...
PROLONG THE LIFE OF BATTERY OF LAPTOP
Battery (battery) of a mobile computer (laptop) holds 700 - 800 cycles charging/discharging: approximately three years of active service. With a bad battery the laptop loses its main...