Ngomklamo wesakhiwo wesayensi nonengqondo nokusebenza okuzinzile, uchungechunge lwe-SMA luhlangabezana nezidingo zomnotho ngokulawula isivinini esilula .Isakhiwo sangaphakathi sedizayini enelungelo lobunikazi sinyusa ukwethembeka kwemikhiqizo, engakwazi ukuzivumelanisa nemvelo yensimu enokhahlo kangcono ngedizayini ehlukahlukene yokuvikela.