
If you do not have a special needle for inflating nipple of a volleyball or soccer ball,
take advantage of… ordinary medicine dropper with an elongated spout. Rubber part is a bit cut and put on the pump hose, and the glass type in the pin hole of the ball. Pumped the ball a “needle” much quicker.
N. ZHIRKOV, Lipetsk
Recommend to read
“COMBINE” SOLDERING IRON
A good soldering iron stand is necessary for the radio Amateurs and all those who deal with soldering. Description of just such a fixture and is offered to attention of readers. The...
NUT HELP THEMSELVES
When saw off part of the thread of the long bolt (screw, stud), in place of sawing produces burrs, dents. This makes it difficult to time the screws when screwing. The matter is...