Metal soda cans and many canned goods now opened thanks to the special loop-shaped handle on the lid. And if the capacity is usually just thrown away, then the loop is easy to find useful for example, for the suspension frames, and small shelves.
Recommend to read
THE PLOUGHSHARE OF PIPE…
Paradoxically, for many Amateur designers to make a good plow harder than a mini-tractor! And only due to the fact that the tool consists of parts having a curved shape, which can only...
VELOTANDEM – “ROAD”
Description a three-wheeled tandem, published in issue No. 3, 1979, I liked inherent in it the idea to tandem bike of the usual single, without making major changes to the original...
