id	keyword
iogr-1341	oil
iogr-1341	wax
iogr-1341	crude
iogr-1341	inhibitors
iogr-1341	point
iogr-1341	extract
iogr-1341	sample
iogr-1341	table
iogr-1341	moringa
iogr-1341	deposition
iogr-1341	stretch
iogr-1341	petroleum