Antenna and ground. Scheme, description

Antenna and ground.  Scheme, description

The word "antenna" came to us from the Greek language. The Greeks called the antenna the tentacles or antennae of insects. The receiving antenna is also the tentacles with which the receiver captures radio wave energy from space. The more energy he receives from his antenna, t More

Water pressure in the plumbing

Water pressure in the plumbing

The central water supply system familiar to everyone is a very complex structure. Many consumers often have to deal with deviations in water pressure. This is caused by pressure changes in the pipeline. But is it permissible and how to avoid it? More

How to install a light switch

How to install a light switch

This article is about how to install a light switch. Generally speaking, light switches are used to control electrical lighting in residential and commercial buildings. In most of these cases, light switches are installed on the wall in a certain More

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