Ключевые слова: 3d illustration, achieved, approval, approved, audit, auditing, background, certificate, certification, coaching, committee, completion, concept, conceptual, continuous, control, correction, course, diploma, document, education, examination, examiner, fountain pen, horizontal, improvement, inspection, learning, marked, objective, outcomes, paper, performance, recognition, result, rubber, session, signature, stamp, training, validate, validation,