This is the 15802nd most frequent Russian word.
проделывают
"Проделывают" means "carry out" or "perform."
The word 'проделывают' refers to the action of performing or carrying out the required or intended tasks.
Учителя часто проделывают значительную работу для подготовки уроков.
Teachers often carry out significant work in preparing lessons.
Here, 'проделывают' describes the physical action of creating or making something, in this case, holes.
Экспериментаторы проделывают отверстия в материале для проверки его свойств.
Experimenters drill holes in the material to test its properties.
In this context, 'проделывают' means performing or showing actions intended to achieve a specific effect, such as tricks in this scenario.