The photometer is designed to measure in certain parts of the wavelength range of the spectral coefficients of directional transmission (CCNP), the optical density of transparent liquid solutions of substances, as well as to determine the concentration of substances in solutions after preliminary calibration of the photometer by the consumer.

Universal device for individual and group classes with hearing impaired and deaf (adults, and especially with children). It can be used both in special pedagogical and medical institutions, (kindergartens, schools, technical schools, speech therapy, phoniatric, audiology cabinets), and for individual lessons with children at home

In nuclear industry the tubes are used as parts of primary and secondary circuits of nuclear power station facilities.

General tubes & pipes are used as piping components or line pipes for variety of industries: chemical\petrochemical, oil&gas, power generation, processing, food&drink, metallurgy, and others.

Boiler tubes are applied in thermal power-generation and heating as a part of tubing components of utility and industrial boilers.

Instrumentation tubes are widely used for automotive industry.