hardhat Hard hat, notepad, rolls of drawings on a black background with a keyboard and a compass, the concept of engineering or design work 4 Jahren ago Hard hat, notepad, rolls of drawings on a black background with a keyboard and a compass, the concept of engineering… Architectural or engineering profession background with hard hat and blueprints 4 Jahren ago Architectural or engineering profession background with hard hat and blueprintsDas Bild Architectural or engineering profession background with hard hat and… Blueprints, drawing tools, hard hat and keyboard on a dark background 4 Jahren ago Blueprints, drawing tools, hard hat and keyboard on a dark backgroundDas Bild Blueprints, drawing tools, hard hat and keyboard on…