Sorry the sound is out of sync in the first clip!
Related tags: chemical storage hazards , lab safety , diybio , diy , bio , biology , chemistry , chemical safety , safety , safety video , hhmi , howard hughes medical institute ,
655 0
Sorry the sound is out of sync in the first clip!
Related tags: chemical storage hazards , lab safety , diybio , diy , bio , biology , chemistry , chemical safety , safety , safety video , hhmi , howard hughes medical institute ,
| comments powered by Disqus |
| HPTS - Area Progetti - Edu-Soft - JavaEdu - N.Saperi - Ass.Scuola.. - TS BCTV - VideoRes - TSODP - TRTWE | ||
![Cinegiornale sportivo - Rollo come un rullo / 3 Novembre 1960 [Istituto LUCE]](http://i4.ytimg.com/vi/Bk7JWEbYx4M/0.jpg)
