Ƙirƙirar wani nau'i mai rikitarwa na wannan jumla An kafa aikin injiniya a Johns Hopkins a 1962 a matsayin Sashen Harkokin Kasuwanci na Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin Kwalejin.
Tabbas, wani nau'i mai rikitarwa na jumla shine "An kafa aikin injiniya a Johns Hopkins a 1961 a matsayin Sashen Harkokin Kasuwanci a Jami'ar Johns Hopkins na Jami'ar Medicine a Gabashin Baltimore tare da Samuel Talbot a matsayin shugaban, wanda Richard J. Johns ya biyo baya (1965 - 1991). "