id	keyword
finefocus-4312	soil
finefocus-4312	crude
finefocus-4312	texture
finefocus-4312	samples
finefocus-4312	bodo
finefocus-4312	petroleum
finefocus-4312	hydrocarbon
finefocus-4312	depth
finefocus-4312	bacteria
finefocus-4312	tombia
finefocus-4312	site
finefocus-4312	distribution
finefocus-4312	test
finefocus-4312	analysis