Sports car on a black background view from the topSports car on a black background view from the top
The power of the progress of the invention of weaponsThe power of the progress of the invention of weapons
A sparkling metropolis on the background of lightsA sparkling metropolis on the background of lights
A satellite above the surface of a celestial body. view from spaceA satellite above the surface of a celestial body. View from space
Совокупность процессов обработки или переработки материалов в определённой отрасли производства, а также научное описание способов производства.