id	keyword
esrj-87441	compensation
esrj-87441	soil
esrj-87441	ecological
esrj-87441	internet
esrj-87441	things
esrj-87441	pollution
esrj-87441	area
esrj-87441	data
esrj-87441	forest
esrj-87441	method
esrj-87441	system
esrj-87441	metals
esrj-87441	hardware
esrj-87441	operating