Drawing and drawing are an international pictorial language and are widely used in all areas of human activity. This pictorial language has to be used by people of various professions and specialties. In addition to theoretical training and practical knowledge, each specialist must be graphically competent, must be able to graphically express their thoughts, depict the designed machine, machine, apparatus or device on the drawings, explain the various parts and details of your design - those which he considers necessary to highlight - detailed drawings, sketches, and sometimes drawings, by performing them in accordance with the accepted image methods, which will be discussed ahead.