In the article the authors review stylistic and typological peculiarities of thinking of the representatives of engineering specialties. In the research rather new and seldom applied in diagnostic practice psychological techniques were used ("Measuring Technique of the Art of Thinking" (by A.K. Belousova); a questionnaire "The Art of Thinking" (by R. Bramson, A. Harrison, adapted by A.A Alexeev); a technique "Choice of Direction" by E. Torrance; a questionnaire "Definition of Thinking Type and Creativity Level" and diagnostics by J. Bruner's technique). These techniques allowed establishing interesting facts about the peculiarities of mental activity of cartographers and garment design engineers. The obtained results can be useful both for psychologists, and human resources specialists, managers.

Keywords: thinking, art of thinking, thinking type, creativity, joint mental activity, professional activity