English Sewage treatment Cited by user EMsmile on 25 Aug 2021 Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage.
English Laterite Cited by user Bettymnz4 on 17 Apr 2010 Laterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas.