Μερική άποψη του το παιδί κρατώντας ξύλινα ταχυτήτων μηχανικό παιχνίδι - Φωτογραφίες & Εικόνες Αρχείου

Two small steel gear wheels on grey with copy space in a concept of industry, production and engineering

The concept of business processes and ideas with gear wheels

Back to school wording as education, teaching and learning concept

Close up on two toothed meshed gears conceptual of industry, production, engineering, teamwork and efficiency