Teacher writing on a whiteboard - Stockfoto’s en -afbeeldingen

Teacher dusting a whiteboard

Portrait of a teacher in front of a whiteboard

Portrait of a teacher smiling in front of a whiteboard

Man employee in blue shirt and glasses writing something on white board during business meeting in the office. Business, busy working day concept.

Man employee in blue shirt and glasses standing near the white board and points to the graph during business meeting in the office. Business, busy working day concept.

Businessman examining documents and smiling

Businessman sitting at the desk

Close-up of a businessman thinking

Businessman sitting at the desk

Businessman looking at a digital tablet

Businessman working on a laptop

Store manager talking on a walkie-talkie and examining a document

Architect designing a blueprint