This article discusses the types and classification of unmanned aerial vehicles (UAVs). It analyzes them based on their usage purpose, technical characteristics, and control systems, categorizing them accordingly. The article highlights the development of unmanned technologies and their significance in various fields.

This article is devoted to quantum chemical research, the influence of the number of methylene groups on the reactivity of propylenediamine. An analysis of the data on the electronic structure and energy characteristics makes it possible to determine the role of methylene groups in the reactivity of the reagents and the productivity of the synthesis.

This article discusses the main types of temperament, their characteristics and their role in human personality. Temperament is the innate emotional and psychological characteristics of a person that shape social relationships, activities and emotional reactions. The article presents four main types of temperament: sanguine, choleric, phlegmatic and melancholic, and discusses the characteristics and advantages of each type. It also emphasizes the importance of understanding and comprehending temperament in personal development.

This article is devoted to studying the role of new signs in the sign language system and their communicative effectiveness. Sign language is of vital importance for people with hearing impairments and is the main tool for ensuring effective communication with them. The article considers the inclusion of new signs in the language system, their importance in expanding the lexical wealth of the language and increasing communicative capabilities.

Ushbu maqolada oliy tа’limdа gumаnitаr tа’limning аsoslаridаn biri O’zbekistonning eng yangi tаrixi fanini o’qitishda talabalarning mustaqil ish topshiriqlarini bajarish bo’yicha ma’lumotlar keltirilgan. Fanning mаqsаdi аvlodlаr, milliy аn’аnаlаr, xаlqning tаrixiy mаdаniyati dаvomiyligini tа’minlovchi fuqаrolik vа vаtаnpаrvаrlik, tаrixiy ongni shаkllаntirishdir.