For fine edits slates sharpened pencils designers and architects typically use fine-grained sandpaper. But it may not be in the right moment at hand. Then I do the just use for this purpose a matchbox: always available, convenient, and the result is not worse. Gravityzoo-impromptu to make you less than a minute, even to glue nothing. The bottom wall of the lid box is cut, bend the top half and walls with arch beef up. The resulting “accordion” put in a match box-boxes (in the figure it is clearly shown) — it is well kept there as a spacer. I think additional explanation is not required. E. SAWICKI, Korosten, Zhytomyr region.
Recommend to read
OF “SCOUTS” IN THE “REAL MEN”
Huge British Navy after the Russo-Japanese war got rid of one potential enemy, Russia, is able to deliver him a lot of troubles on the ocean trade routes. But along with this tangible...
CARING MACHINE
Sometimes the competition for RC model, not obeying commands, is out of sight. Flies knows where the result of months of labor and expensive equipment. A simple automatic device...
