Old alarm clocks and many doorbells and telephones emit a signal due to the blows of “hammer” metal hemisphere of the bell.
If you are annoying it’s pretty sharp rattling, stick a bell in place of hitting it square of adhesive tape or medical adhesive tape device will beep “whisper”.
.
Recommend to read
TURNING FROM THE CLUTCHES OF…
The journal "modelist-Konstruktor" I love since childhood. In Kazakhstan we have now it is not for sale, but I regularly read it in the library. Responding to the call of the editors to...
INTERTUBES
If you have under the sink plumbing fittings is not covered — to hide all this ugly picture will be easy and simple if you use a thin plastic sheet, from which it is easy to twist the...