Over time, the most frequently used buttons on keyboards, remote controls (remote control), home appliances and calculators from multiple presses fail — the device will not respond to your efforts.
To restore them easily, if we remember that pressing contact with the circuit Board carries a thin jumper from conductive rubber. Sometimes it is enough to rinse it with alcohol or put a circle of household aluminum foil.
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MAGNETIC FINGER…
I think many who have to work with small metal objects. will be useful to my "magnetic" finger, or rather — rubber fingerstall to which is glued a small square of a permanent magnet.
