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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FLAT GREENHOUSE
Four boards and four rails for the frame, door hinges and spring Yes, a piece of plastic film that is needed for making this simple greenhouses.
SOARING ABOVE THE WAVES
The hovercraft is. Building a vehicle that could move on both land and water, was preceded by a familiarity with the history of the discovery and the creation of original amphibious...
