Galvanized steel main frame and weed killing bar. Complete drainage polyethylene tank - hand washing tank included. Mass produced with hydraulic-ejector for filling/mixing; sucking filter with valve for full tank cleaning. Fold mechanical boom 6-8-10-12-14 meters length; final arms with spring safety hinges. Liquid stainless steel tubes : three independent supplies line for a partial use of the boom section. Leakage-proof fan-shaped jets with fast clutch. Three positions adjustable hitch