An assembler is a universal construction worker who assembles structures, installs equipment and installs complex engineering systems. He can work with metal structures, pipelines, electrical networks or ventilation, following design documentation and safety requirements. The profession is in demand in construction and industry, because installation is a key stage in the creation of any facility. Without assemblers, it is impossible to imagine the full commissioning of a building or equipment. Their skills include precise coordination, technical knowledge and the ability to competently interact with other specialists, making our world more reliable and functional.