Any risks or scale deposited on metal or plastic surfaces of objects, will be seen more clearly if they are first covered with paint, and then wipe: deepening will save the leftover paint and would like printed.
Recommend to read
LISTEN TO THE HEART
On the radar heard many. The transmitter sends powerful electromagnetic wave in the direction of a moving object (airplane, ship). Upon reaching it, the wave is reflected and received by...
CHANGE ROUND TO OVAL
A letter from our reader V. Zasyadko prompted the idea to go back to the old idea of replacing the round sprocket of the bike Ellipso, which leads to the alignment torque generated by...
