a) Figure below contains a depiction of an embossing press in which a single-acting cylinder is used for ejecting the processed parts. With the help of circuit diagrams, describe how this cylinder can be activated using 2/2 and 3/2 valves. b) Compare the two diagrams with regard to extension and retraction of the piston rod and draw your conclusions. c) Calculate the advancing pressure (p) for a piston rod whose diameter d60 mm and with a load weight F = 5 kN. Ignore the resistances for this calculation.