Formulas in chalk on a blackboard in the form of abstractionFormulas in chalk on a blackboard in the form of abstraction
A famous scientist at the blackboard with formulasA famous scientist at the blackboard with formulas
The picture should work on a light blue backgroundThe picture should work on a light blue background
A scientist on the background of a blackboard with formulasA scientist on the background of a blackboard with formulas
The inscription of the name of the rock band ac/dcThe inscription of the name of the rock band AC/DC
Плоский с двух сторон кусок дерева небольшой толщины, получаемый путём продольной распилки бревна. Пластина, плита.