Out of focus test tubes in the foreground with a flask filled with a colorful substance swirling in the background.

Name: Out Focus Test Tubes Foreground Flask
Uploaded: 2010-04-30T00:00:00.000Z
Duration: 17 s
Channel: JHDT Productions
Description: Out of focus test tubes in the foreground with a flask filled with a colorful substance swirling in the background. Stock Footage Video (100% Royalty-free) 732619 | Shutterstock