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”.
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IMPROMPTU FUNNEL
If you need to pour the liquid from the jar into a container with a narrow neck and a funnel on hand that can be use inverted lid with a hole from a teapot or sugar bowl. R. MOROSIN, Vologda
TRACTOR-TRUCK: A SMALL, BUT VALIANT
The first homemade motorized assistant appeared in our family almost 20 years ago. We made it V. Il'ichev development of the suburbs, published in the journal "modelist-Konstruktor"....
