Geschäftsmann hebt mit zwei Händen schmutzige Holzkreidetafel vor weißem Hintergrund hoch - Stockfoto & -bild

School blackboard with chalk and eraser, isolated on white background

Small School board with chalk sketch for the messages. In hand men.

Board menu or to study on a white background

Businessman use two hands to lift up wooden blank chalk board in gray concrete background

Businessman use two hands to lift up wooden blank chalk board in green concrete background

Businessman climbing ladder drawing on black blank chalkboard with teak wooden wall and floor background

Businessman drawing on blank black chalkboard with dark green wood wall and floor background

Businessman hold wooden white blank board in white background

Businessman hold wooden white blank board in green concrete background

Businessman use two hands to lift up wooden white blank board in green concrete background

Businessman hold wooden white blank board in gray concrete background

Businessman use two hands to lift up wooden white blank board in gray concrete background

Man holding blank whiteboard with wooden frame on concrete wall and wood floor background