English AGROVOC
BT
Water use
BT
Resource management
RT
Recycling
RT
Waste utilization
RT
Wastewater
RT
Water management
RT
Water purification
(Lao)
ການນຳນ້ຳມາໃຊ້ຄືນ
(French)
Réutilisation des eaux
(Spanish)
Reutilización de aguas