When creating hairstyles, modern women use hair cosmetics and the help of home “hairdressers”: hair dryers, stylers, curling irons, electric curlers. Consider the technical characteristics and features of these devices. Principle of operation The principle
Ionization is the formation of charged ions from neutral atoms or molecules under the influence of a chemical reaction. There are two types of ions (aeroions): positive (cations) or negative (anions). Both types are necessary
To create a comfortable atmosphere at home, at work or in a car, you can install special equipment – air purifiers and humidifiers. Purifiers are a system of filters that pass air flows and collect
An air purifier is a special equipment designed to clean the air from allergens, tobacco smoke and dust. The device also eliminates unpleasant odors in the room and disinfects the air. To choose the right
Water coolers are devices that make it easier to get drinking water. Human health depends on the quality of the liquid consumed, and thanks to the cooler, you will have clean drinking water in hot
Thanks to inventions, namely filtration, any liquid is purified. During filtration, water passes through stages of purification, the quality of purification depends on the number of stages. The first stage – mechanical filtration – removes
Iron removal of water is an urgent problem of mankind. With an increased concentration of iron, a specific aftertaste and a yellowish tint appear, and iron bacteria develop. It is possible to purify water from
Preliminary water filters (otherwise called main, coarse water filters or first stage filters) are installed in the inlet line of the home water supply. The body of the primary filtration devices is made of metal