Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Dokta Jerome Hunsaker an tambayi shi don samar da ka'idar zane-zane na jirgin sama.
Tabbas, wani nau'i mai rikitarwa na jumla shine "An tambayi Dr. Jerome Hunsaker don bunkasa ka'idar zane-zane na jirgin sama, Lt. John H. Towers ya dawo daga Turai bayan ya duba zane-zane na Birtaniya, Rundunar Sojan Ruwa ta nemi takardun neman jiragen ruwa 16 daga masana'antun Amurka. "