If you don’t like the sharp sound of your electric bell, put on his bell under the hammer of the vibrator piece of adhesive plaster. And make the sound more melodic by replacing the bell rolled into a spiral of thick steel wire from the chiming mechanism of the old wall clock.
Recommend to read
THE CAP BECOMES A LEG
Designers of radio equipment, manufacturing of housing are often forced to turn legs on the lathe. This task can be greatly simplified if you utilize the caps from the toothpaste. It...
ACCURATE ADJUSTMENT
Fifty meters distance, but still ten before entering the starting line — the distance the self-propelled sudomodel must pass like a ruler. The slightest error in the adjustment would...
