For the casting of the part whose perspective pictures are given below, take into account the surface of the section, the model design, if necessary, the core design, all the molding stages and...

For the casting of the part whose perspective pictures are given below, take into account the surface of the section, the model design, if necessary, the core design, all the molding stages and finally, draw the mold in the most suitable form for casting and name all the mold elements by showing them on the figure (Note: The hole shown in the figure is a full hole. .)