If you have to refill the pen or marker ink, there is a need in any microfinance, as the diameter of the housing is quite small. Rescue cover with the “nose” of the plastic bottle with oil, gasoline or glue.
M. VOLODARSKY
Recommend to read
Six-wheeled all-terrain vehicle with onboard turning principle
Once upon a time, the Earth was inhabited by dinosaurs, brontosaurs and many other strange animals that did not need paths or roads - they made them for themselves. And at the All-Terrain...
Multifunctional housing
For many years, I have been mounting my amateur radio homemade devices in universal cases made according to a single scheme. This is a frameless construction consisting of two U-shaped...
