Permission for appliance of technical tools (also known as: Permission for appliance; Permission of ROSTEKHNADZOR (Federal Service for Ecological, Technological and Atomic Supervision) of the Russian Federation and etc.) – is a document confirming correspondence of equipment (technical devise, material) including equipment of foreign manufacture to the requirements in the sphere of industrial safety and permits appliance (exploitation) of such equipment at hazardous production facilities under supervision of Federal Service for Ecological, Technological and Atomic Supervision of the Russian Federation (ROSTEKHNADZOR).