Hello I am going to do another riddle. Get it wrong and I report you. Get it right and you get 5 satrs and 10 points The answer for What can you catch, but not throw?

A)-in the process of engineering design, explain the contribution of material selection. b)- explain the procedure of synthesis as is employed in engineering design. c)- is there any relationship between ergonomics and engineering design? explain. d)- safety consideration in engineering design includes human, product and the enviroment . explain how safety will be incorporated into the design?