Boxes of nails and screws love to fall to the floor. This can happen by careless movement of the hand, and vibration of the table. However, if a box mounted on a vertical hinge bottom cover of a table or workbench, it will get rid of this bad habit. Rotate it around the hinge… and it will disappear under the top or will appear again.
Recommend to read
“ROGALLO” ASK THE SKY
Category sport model rockets with a soft wing (S10) is divided into four classes. The most common is the class Ѕ10А. Requirements for models are as follows: maximum total impulse MRD —...
SUPERPLANES MOSCOW MODELERS
The history of the development of the expense of building a traditional class of models of gliders is replete with numerous examples of advances in the field of aerodynamics and design...
