We practically continually faced with a variety of fine bubbles, whether drugs, herbs, solvents, perfumes, mascara or nail Polish. And they have one common drawback: volatility. One careless movement — lo and behold, the fold is overturned. However, the bubble will never fall,- if to use here such device. Take a circle from a rubber, soft plastic or cardboard, make a middle crosswise cut and put on the bottle: higher stability is guaranteed.
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WITH A PIPE — NO STAINS
No matter how carefully pour from the bottle the liquid or oil — hovering on the neck the last drop then runs down and stains the outer surface. This will not happen if I do this simple...
MICROMACHINERY
The sled with the motor for the little ones. Before to introduce the following proposed material, I want to remind small note in No. 2 of our journal in 1979 — "Folding sled". Because...
