1978 scientists test chemicals in the lab as chemical plant workers interact with carcinogenic materials - 輸送管 個影片檔及 b 捲影像00:38
close-up of a large chute running down a vast industrial structure in dearborn, michigan, usa. - 輸送管 個影片檔及 b 捲影像00:10
manufacturing sounds emanate from nearby a large chute running down a large manufacturing structure in dearborn, michigan, usa. - 輸送管 個影片檔及 b 捲影像00:13美國
hand held of scientists or doctors holding clipboards in research laboratory or drug lab. two men stand near test tubes, four vats of red liquid. could be drugs, blood, medical equipment, medical procedure. - 輸送管 個影片檔及 b 捲影像00:29
close angle of small clear tube suctioning water off surface. water is muddy or dirty. - 輸送管 個影片檔及 b 捲影像00:49
close angle of plastic tube, rubber nozzle and valve. liquid passing through tube. scientific. - 輸送管 個影片檔及 b 捲影像01:32
close angle of person's hand suctioning up liquid with plastic tube from rough surface. could be mud. circular spot light shining on area. could be scientific experiment, forensics or crime investigation. crime scenes. - 輸送管 個影片檔及 b 捲影像00:51
close angle of person's hand suctioning up liquid with plastic tube from rough surface. could be mud. circular spot light shining on area. could be scientific experiment, forensics or crime investigation. crime scenes. - 輸送管 個影片檔及 b 捲影像01:25
close angle of liquid going up plastic tube into a graduated cylinder or container. could be in chemistry or crime laboratory. scientific experiments. crime scenes. - 輸送管 個影片檔及 b 捲影像00:59