Which of the following are problems with the current rapid
prototyping technologies? a. Inability of the designer to design
the part, Part shrinkage, & Inability to convert a solid part
into layers b. Part accuracy, Inability to convert a solid part
into layers, & Versatile materials available c. Poor
machinability of the starting material, Part shrinkage, & Part
accuracy d. Limited material variety, Mechanical performance of
fabricated parts, & Part accuracy Short answer or a
few-sentence short essay.