foreman talking to an african american worker at a chemical plant while doing an inventory - 化學人員 個影片檔及 b 捲影像00:08
female foreperson talking to a blue-collar worker at a chemical plant while doing an inventory of some barrels - 化學人員 個影片檔及 b 捲影像00:10
male employee talking to female supervisor while pointing away and explaining something in a manufacturing chemical plant - 化學人員 個影片檔及 b 捲影像00:10
cheerful mature male worker at a chemical plant holding a tablet and then facing the camera - 化學人員 個影片檔及 b 捲影像00:08
male blue collar worker moving barrels with chemical products at a warehouse on a manual forklift - 化學人員 個影片檔及 b 捲影像00:07
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:09
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:14
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:14
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:12
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:07
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:10
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:16
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:06
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:07
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:07
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:16
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:12
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:16
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:15大自然
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:23
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:09
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:15
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:10
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:12
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:14
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:12
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:10
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 化學人員 個影片檔及 b 捲影像00:09
morning, dawn and sunrise near chemical complex and industrial complex / nam-gu, ulsan, south korea - 化學人員 個影片檔及 b 捲影像00:15
