white gray paper texture animated background loop 4k. concept of free space for text or images - 舊式 個影片檔及 b 捲影像00:20白色
the robot revolution - part 31 of 31. from management's viewpoint, robots make excellent workers: they don't take coffee breaks, demand sick leave, or become in factory (or office) love affairs. their model behavior leaves many human workers fearing for - 舊式 個影片檔及 b 捲影像00:30
b/w 1920s rear view audience watches movie in theater / 1 man stands up + gestures excitedly - 舊式 個影片檔及 b 捲影像00:12
hooded man giving a radio interview to microphone. old school tape recorder recording the speech - 舊式 個影片檔及 b 捲影像00:21
exercise and physical fitness - part 22 of 29. why exercise? this film explores some of the benefits - strength, endurance, flexibility, and spiritual awareness. an experiment measuring endurance reveals the physiological premises for exercise. by the end - 舊式 個影片檔及 b 捲影像00:32心臟
why fathers work - part 24 of 25. an easy-to-understand of the economic functions of the family as a community unit. younger viewers meet a working father, edward kimball, and see where he goes and what he does. they learn that as a structural ironworker, - 舊式 個影片檔及 b 捲影像00:29
close-up shot reenactment of the hands of a woman picking up the telephone receiver while typing on keyboards in the office in the 1980s - 舊式 個影片檔及 b 捲影像00:09女人
1924 b/w ms silent movie director (vernon dent) shouting into megaphone, while cameraman (andy clyde) films action and another man (charles murray) watches / usa - 舊式 個影片檔及 b 捲影像00:02
retro science research laboratory. scientists working on crt displays to do research. close-up hands typing on a keyboard - 舊式 個影片檔及 b 捲影像00:19
an airplane trip by jet (3rd edition) - part 18 of 19. tells the story of a transcontinental jet flight showing personnel in the airport assisting passengers, while the ground and flight crews service the plane. offers views of a modern airport, jetliner - 舊式 個影片檔及 b 捲影像00:34飛機
the large flashbulb of a vintage camera flashes pops as the photographer takes a photo and lowers the camera. - 舊式 個影片檔及 b 捲影像00:08復古風格
extreme close up on reel tape being forwarded rewinded and played on the magnetic coil. an old vintage reel-to-reel player - 舊式 個影片檔及 b 捲影像00:24復古風格, 噪音
ld retro tv being turned on and a black and white football match is seen on the screen - 舊式 個影片檔及 b 捲影像00:17足球 - 團體運動, 復古風格
exercise and physical fitness - part 1 of 29. why exercise? this film explores some of the benefits - strength, endurance, flexibility, and spiritual awareness. an experiment measuring endurance reveals the physiological premises for exercise. by the end - 舊式 個影片檔及 b 捲影像00:25
choosing a job - part 6 of 19. the school counselor places carol in a a career education program so that she can try out a number of jobs. shows how such career programs may save young students from frustrating job-hopping after finishing school - 舊式 個影片檔及 b 捲影像00:33女人, 辦公室
good citizens - part 3 of 17. the film illustrates three areas in which children can and should display good citizenship: in the home, school, and community. examples relate these aims to everyday activities: conscientious work in school and group coopera - 舊式 個影片檔及 b 捲影像00:31美國