Back at the lab, technicians assign the frames latitude, longitude and elevation coordinates from U.S.Geological Survey ground references and scan dozens of frames into a computer. 回到實驗室，技術人員會參考美國地質調查所的地面資料，指出畫面拍攝的經緯度與仰角坐標，並把數十張畫面掃描到電腦里。
Figures relate only to those industries covered in the Quarterly Survey of Employment and Vacancies and the Quarterly Employment Survey of Construction Sites. 有關數字只涉及雇傭及職位空缺按季統計調查及建築地盤就業人數按季統計調查所包括的行業。
