Copper Kills Germs On Contact See The Science. StayWell Copper 5:41 5 years ago 224 852 Далее Скачать
Do Hand Sanitizers Really Kill 99.99% Percent Of Germs? 😬 Zack D. Films 0:32 1 year ago 19 486 873 Далее Скачать
Cell Explodes Under Microscope (Hydrogen Peroxide vs Germs) CloseIntel 0:55 2 years ago 16 068 543 Далее Скачать
Vinegar VS Bacteria under the microscope! Walt (oneminmicro) 0:38 2 years ago 3 110 106 Далее Скачать
What's The Best Disinfectant for Surfaces - What Kills Germs Dr Joe TV 8:28 4 years ago 10 234 Далее Скачать
When your hand sanitizer only kills 99% of germs 😂 Ian Boggs 0:59 1 year ago 13 573 914 Далее Скачать
“Kills 99.99% of Germs”: What’s the 0.01%? #sanitizer Dr Sermed Mezher 1:00 1 month ago 60 004 Далее Скачать
When one drop of hand sanitizer kills 99.9% of germs 😂 Onevilage 0:15 3 years ago 34 108 998 Далее Скачать
Germs for Kids | Learn all about bacteria, viruses, fungi, and protozoa Learn Bright 9:40 2 years ago 2 012 887 Далее Скачать
Hydrogen peroxide vs Germs under the Microscope Microworld Discovery 3:44 7 months ago 6 306 Далее Скачать