English AGROVOC

uf Exhaust gases
uf Factory fumes
BT Industrial pollutants
BT Pollutants
BT Wastes
RT Air pollution
RT Carbon monoxide
RT Gases
(Lao)
   ອາຍຈາກສິ່ງເສດເຫຼືອ
(French)
   Effluent gazeux
(Spanish)
   Gas residual