When you need to pour the liquid in a bottle with a narrow neck, you always use the old reliable and proven method: inserted into the hole daddy or thin wire of a suitable diameter so as not to touch the walls. The liquid in this “vortex” flows gently and smoothly.
Y. BOGOYAVLENSKIY, Kazan
Recommend to read
ELECTRONIC EAR
Check slabovidimym acoustic signals is of great practical importance. This: fault diagnosis of internal combustion engines; search for places of leakage of gas from the damaged pipeline...
CARDBOARD CAR
To join automodelismo the summer holidays will help is quite simple and yet quite successful design of a sports car. Created in Leningrad by modelers, it has proven to be promising for...