id	keyword
esrj-81911	cement
esrj-81911	clay
esrj-81911	soil
esrj-81911	minerals
esrj-81911	earth
esrj-81911	forest
esrj-81911	particles
esrj-81911	strength
esrj-81911	fig
esrj-81911	cementation
esrj-81911	kaolinite
esrj-81911	characteristics