Original brush two foam rollers used for painting walls and ceilings V. Vakulenko from St. Petersburg. They are located on the shaft so that rotates in contact with each other, the lower roller partially submerged in suspended on its axis cuvette paint. Revolving, it does not apply to the painted surface and “feeds” the paint top roller evenly and accurately. This arrangement is particularly useful when painting the ceiling, and in this case you can do one roller, as shown in the figure.
Recommend to read
Electronic metronome
"beats" the beats not only sound, but light pulses. In his scheme includes two transistor of different conductivity. The excitation amplifier is implemented by using positive feedback...
UNIVERSAL BATTERY CHARGER
As you know, the cost of electrochemical cells has increased significantly. Therefore, many owners of portable radio equipment are beginning to use batteries. And they must be timely and...
