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Lab-worker on microscope -
Lab equipment injection -
Lab worker mixes vile -
Lab worker turns knobs -
Scientist checking valves in lab -
Calisthenic push ups -
Unfinished building and a beautiful sky 4K stock video -
Close up shot of a building 4K stock video -
Close up shot of a building and the sky 4K stock video -
Unfinished floors of an building 4K stock video -
Middle shot of construction workers 4K stock video -
Excavating machine digging a hole 4K stock video -
Close up shot of excavating machine digging a hole 4K stock video -
Unfinished building and the sky 4K stock video -
Construction site with workers 4K stock video -
Close up of a construction worker 4K stock video -
Construction workers talking 4K stock video -
New building rising 4K stock video -
Construction worker hitting a nail with hammer 4K stock video -
Construction worker hitting a nail at sunset 4K stock video -
Workers and a sunrise 4K stock video -
Construction workers filling a building with cement 4K stock video -
Construction workers are relaxing 4K stock video -
Wide shot of a new building 4K stock video -
Extreme close up of pocket watch machinery with small gears spinning in 4K -
Extreme close up of pocket watch machinery with golden gears in 4K -
A lab worker pours liquid nitrogen -
Random cars driving by on a street 4K stock video -
Random Cars driving by 4K stock video