The wall of the tank is often covered with the inner side greenish tinge. It is usually removed with a scraper, not releasing aquarium. Thus inevitably damaged plants, turbid water. The same operation can engage in a much more painless. Take a magnet and a steel disc to align them to each other from different sides of the glass, and the magnet and put another small rag. Moving the magnet will pull in the drive and it will clean the entire inner surface of the glass of the aquarium.
Recommend to read
Autogyro control
During 1970, our magazine published a series of articles by a group of autogyro designers about the features of building these rotary-wing aircraft, about how to build autogyro models, how...
ELECTRONIC IGNITION:OPTIONS
We are talking about different versions of electronic ignition devices (UEZ), is made as transistors and IC. The lack of scarce elements, as well as the simplicity of the schemes allow...
