English AGROVOC
uf
Energy saving
BT
Resource conservation
BT
Resource management
RT
Energy management
RT
Energy policies
RT
Energy resources
RT
Energy technology
RT
Heat recovery
RT
Insulating materials
(Lao)
ການອະນຸລັກພະລັງງານ
(French)
Économie d'énergie
(Spanish)
Conservación de la energía