<https://es.coursera.org/lecture/sanitation/3-9-waterless-pit-based-systems-sehmX#lecture>
<http://schema.org/description>
"Watch this video about 3.9 Waterless Pit-based Systems for Week 3 - Sanitation systems & technologies in Planning & Design of Sanitation Systems and Technologies. During week 3, you will dive more deeply into the technical aspects of different sanitation systems, from the simple single pit system to more complex centralised treatment systems. We introduce you to the main treatment processes in detail, highlighting advantages and disadvantages of each."
<https://es.coursera.org/lecture/sanitation/3-9-waterless-pit-based-systems-sehmX>