Data: 17/06/2020
https://www.youtube.com/watch?v=AaKh6JRAOfs
Demonstration on how to mix the correct ratio of a chlorine disinfectant solution to fight against the spread of diseases like COVID-19
Autor(es): Organización Panamericana de la Salud Idioma: Inglês Duração: 1 vídeo do youtube (3:34 min): son., color. Editor: Organización Panamericana de la Salud