Modern containers with screw cap are often difficult to open — when unscrewing a tight twist receptacle slip in your hands, scrolls. To “win” it is easy enough to use a piece of sandpaper and the tube will be.
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To drive in many modern pneumatic machines and tools required compressed air pressure of 3-4 ATM. Is it possible to build a mechanism which effectively would have used a pressure...
IMPROVE UK-4
Machine UK-4 is still popular among hobbyists and tinkerers. Over the years of its release, home craftsmen invented many devices to improve its performance and broadening the range of...
