Think You're Cut Out for Doing Sources of industrial wastewater? Take This Quiz
https://www.goodreads.com/topic/show/20040653-13-things-about-water-and-waste-management-you-may-not-have-known
Wastewater refers to all effluent (= sewage or liquid waste that is discharged into water bodies either from direct sources or from treatment plants) from household, commercial establishments and institutions,