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.
Recommend to read
TWENTY S8D
In the journal "modelist-Konstruktor" No. 11 for 1981, we reported on a new category of raketoplana S8. In the same issue was published the drawings of models of the class S8A. Today we...
Give the trunk aerodynamics too!
To begin with, I suggest that car‑enthusiast readers run a small experiment. Next time you drive out of town, stop on a high‑speed stretch of highway and watch the passenger cars rushing...
