For cleaning automatically on 4 sides, brushing with fixed brushes and pump spray oiling panel faces and boards with a max workable width of 52 cm, max height of 4.5 cm, driven by an oiled bathed gear, complete with rudder and 400x100 wheels, in addition to an exiting panel support. 

(There are 4 pulling rollers, so that the last board always exits automatically) two lateral rollers positioned before the scrapers guarantee a preventive and complete removal of the cement crusts, thus facilitating the cleaning of the sides of the panel or board.