You have not used a ball valve for a long time (at least a year). Now you have a need to either open it, or ...
An easy way to restore a worn screwdriver bit. Extension of its service life.
A simple flashlight circuit that works without batteries. To make it glow, just shake it.
We supply power to the circuit. Through a normally closed contact, the current will flow through the coil winding and through the secondary winding of the transformer. The relay will break...
Which of them will show itself better during operation? Probably the one that costs more. And if we compare one price ...
Photo of old appliances from the beginning and middle of the 20th century.
Did the person who designed this enterprise pay attention to how some of its components look? Don't you think this composition looks...
One of my friends caught fire to buy the 21st "Volga". Long sought to be in perfect condition. Found. According to the announcement at the bus stop. Master…
To connect two asbestos pipes of different diameters, it was necessary to make a coupling - an adapter. On how it was done:
You know, there are people who are lovers of unity with nature: they eat only environmentally friendly products, go to all sorts of actions to protect rare ...
Everyone makes mistakes, but not an electrician. His mistakes can be costly. Consider the most common "jambs" of electricians.
Description of the home-made scheme of the device for the preparation of living and dead water. Photo and video.
This website uses cookies.