black woman, teacher and grading in class busy with assessment or marking papers while children on break. african female lecturer doing paperwork by desk for moderating education in empty classroom - 評分 個影片檔及 b 捲影像00:10
black woman, teacher and empty classroom for marking assessment or papers while children on break or recess. african american female lecturer doing paperwork by desk for education, test or exam room - 評分 個影片檔及 b 捲影像00:07
close up professional asian chinese barista connoisseur performing coffee cupping writing down on clipboard after tasting coffee cupping - 評分 個影片檔及 b 捲影像00:14
close up view of a student's hand marking answers on a standardized test sheet, concentrating on the exam - 評分 個影片檔及 b 捲影像00:06
4k footage close-up of road construction machine leveling soil with heavy equipment. - 評分 個影片檔及 b 捲影像00:19
male colorist hands editing and coloring video content or movie on color wheels control panel, slide shoot - 評分 個影片檔及 b 捲影像00:26影片剪輯
teacher talking to student about test results at university or doing a job interview - 評分 個影片檔及 b 捲影像00:05
panning shot of teacher returning paperwork to girl with a failing grade / provo, utah, united states - 評分 個影片檔及 b 捲影像00:10
construction, man and laser level to measure wall for site grading, surveying and renovation project. civil engineer, worker or tech equipment for foundation alignment, excavation control or leveling - 評分 個影片檔及 b 捲影像00:05
detailed display of data analytics on a digital monitor in high-tech environment - 評分 個影片檔及 b 捲影像00:15錄影像
diverse team of teachers discussing in the hall at a university while looking at a notebook - 評分 個影片檔及 b 捲影像00:16
asian chinese female lecturer working alone in classroom after class checking student's homework submission - 評分 個影片檔及 b 捲影像00:08
ws ds doctor discussing chart with patient and family / edmonds, washington, usa - 評分 個影片檔及 b 捲影像00:30體檢, 美國
ws ds doctor talking to patient in exam room, nurse showing record / edmonds, washington, usa - 評分 個影片檔及 b 捲影像00:43
"first report on h-bomb test!" superimposed on gordon dean, chairman of the us atomic energy commission, seated at table before microphones /... - 評分 個影片檔及 b 捲影像00:36美國
1966 young woman talks about the usda grades of meat cuts as she places them in the refrigerator - 評分 個影片檔及 b 捲影像00:24
1966 teenage girl puts frozen food away as she talks to an animated genie about usda food grades - 評分 個影片檔及 b 捲影像00:36美國
1966 teenage girl discusses the usda grading of her groceries as she puts them in the fridge - 評分 個影片檔及 b 捲影像00:59
1966 methods used to grade eggs grade aa or grade b including candelling, shell breaking and sight inspection - 評分 個影片檔及 b 捲影像01:17
1966 voiceover gives instruction in different grades of beef and lamb using usda standards - 評分 個影片檔及 b 捲影像00:49
1967 scientists and testers assess the quality of food preservation by eating, smelling, cutting dairy and strawberries in a taste test - 評分 個影片檔及 b 捲影像01:02女人
