engineers and ecologist collecting water samples for environmental analysis at a hydroelectric dam site. concept of environmental conservation - 比重計 個影片檔及 b 捲影像00:22
engineers and ecologist collecting water samples for environmental analysis at a hydroelectric dam site. concept of environmental conservation - 比重計 個影片檔及 b 捲影像00:28
engineers and ecologist collecting water samples for environmental analysis at a hydroelectric dam site. concept of environmental conservation - 比重計 個影片檔及 b 捲影像00:28
reveal shot. asian home brewer observing hydrometer in a graduated cylinder measuring wort gravity while preparing a yeast starter. - 比重計 個影片檔及 b 捲影像00:11
asian home brewer measuring wort gravity using a hydrometer in a graduated cylinder, ensuring fermentation accuracy and beer quality during the brewing process. - 比重計 個影片檔及 b 捲影像00:08
asian home brewer measuring wort gravity using a hydrometer in a graduated cylinder, ensuring fermentation accuracy and beer quality during the brewing process. - 比重計 個影片檔及 b 捲影像00:12
asian home brewer observing hydrometer in a graduated cylinder measuring wort gravity and recording data on a tablet while preparing a yeast starter. - 比重計 個影片檔及 b 捲影像00:12
reveal shot. asian home brewer observing hydrometer in a graduated cylinder measuring wort gravity while preparing a yeast starter. - 比重計 個影片檔及 b 捲影像00:09
reveal shot. asian home brewer recording data on a tablet while preparing a yeast starter and measuring wort gravity, surrounded by brewing ingredients and lab equipment. - 比重計 個影片檔及 b 捲影像00:09
close-up of yeast starter swirling in a lab flask on a magnetic stirrer, part of the home brewing process to activate yeast before fermentation. - 比重計 個影片檔及 b 捲影像00:11
close-up of yeast starter swirling in a lab flask on a magnetic stirrer, part of the home brewing process to activate yeast before fermentation. - 比重計 個影片檔及 b 捲影像00:11
aerial drone view of dhaka city - residential and corporate buildings in a dynamic cityscape - 比重計 個影片檔及 b 捲影像00:15
aerial drone view of dhaka city - residential and corporate buildings in a bustling cityscape - 比重計 個影片檔及 b 捲影像00:27
pasuho (water bottle) device controlling flow velocity of clepsydra / south korea - 比重計 個影片檔及 b 捲影像00:05
orders its whisky straight" and "louisville, ky. - government repletes medicinal stock at frankfort distillery" / sign on a huge mash vat with "no 2,... - 比重計 個影片檔及 b 捲影像03:03
as a white-coated man jots notes in a ledger, another pours a whole bottle of scotch into a beaker, the technician uses a hydrometer then takes more... - 比重計 個影片檔及 b 捲影像00:14
workers use a hydrometer to check liquid from a large tank, and others use their hands to bang the sides of large tanks / a man shovels coal into a... - 比重計 個影片檔及 b 捲影像00:54