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
GLASS CUTTER WITH COMPASS
To cut a round hole of large diameter, to make a glass disk or a ring will help this simple tool. It consists of three parts. The dimensions of the steel rod Ø 5 mm depend on the...
GARDEN PATHS
Garden paths at the cottage or the mansion was just as necessary and sidewalks in the city. As a rule, these tracks build from individual concrete slabs with sizes of 400x400 mm and...