In view of indoor air pollution caused by fuel wood and its scarcity, alternatives to the use of wood fuel are investigated and promoted.
(indoor air pollution; caused; by fuel wood and its scarcity) (alternatives to the use of wood fuel; are investigated; L:In view of indoor air pollution) (alternatives to the use of wood fuel; promoted; )
indoor air pollution alternatives to the use of wood fuel alternatives to the use of wood fuel
caused are investigated promoted
by fuel wood and its scarcity
L:In view of indoor air pollution