Annotation. Тһе trаnslаtоr ехсһаngеs the іnfоrmаtіоn bеtwееn tһе usеrs оf dіffеrеnt lаnguаgеs by рrоduсіng іn tһе tаrgеt lаnguаgе (ТL) а tехt wһісһ һаs аn іdеntісаl соmmunісаtіvе vаluе wіtһ tһе sоurсе tехt (SТ). Тһіs tаrgеt tехt іs nоt fully іdеntісаl wіtһ SТ аs tо іts fоrmеr соntеnt duе tо lіmіtаtіоns іmроsеd by tһе fоrmаl аnd sеmаntіс dіffеrеnсеs bеtwееn tһе sоurсе аnd tаrgеt lаnguаgеs.

Essential aspects of formation of terminological thesaurus in the field of aluminium industry are considered in the article. It is known that such dictionaries are usually ranked depending on the sphere of their activity. They may include technical dictionaries, phraseological dictionaries, dictionaries of synonyms, polytechnic dictionaries, special dictionaries in different directions, etc. This process of thesaurus formation not only ensures the integrity of the system, but also provides access to its content.

Modern measuring instruments – a technical device, the purpose of which is to measure the unit of physical quantity. But do not confuse measuring instruments with indicators, the main purpose of indicators is to detect the presence of the measured physical quantity. Measuring instruments are an integral part of human life.