id	keyword
fbem-1640	waste
fbem-1640	management
fbem-1640	waste classification
fbem-1640	garbage
fbem-1640	waste management
fbem-1640	village
fbem-1640	residents
fbem-1640	waste separation
fbem-1640	work
fbem-1640	household
fbem-1640	government
fbem-1640	household waste