If you pick up a-liter plastic bottles of diameter to one (cut) densely entered second, you get the original expander, exerciser for the muscles of the hands. Adding to the bottom of any of these several holes, you can adjust the force required to compress and stretch. I used the bottle from the water “Darida” and “Berezinsky” turned out pretty well.
A. VINOGRADOV, Mogilev, Republic of Belarus
Recommend to read
I HAVE THE PHONE RANG…
...An urgent need to record the address, name or telephone number, and, as luck would have it, no piece of paper. If you charge a roll of paper here in a homemade box, this problem will...
PLOW WINCH…
Many rural Amateur designers rightly considered the most promising motoliberty tillage unit. However, it is not without drawbacks. And chief among them is the need every time to drag a...
