id	keyword
american_scientific_journal-7406	scale
american_scientific_journal-7406	pressure
american_scientific_journal-7406	nozzles
american_scientific_journal-7406	removal
american_scientific_journal-7406	descaling
american_scientific_journal-7406	figure
american_scientific_journal-7406	chamber
american_scientific_journal-7406	paraffin
american_scientific_journal-7406	mpa
american_scientific_journal-7406	injection
american_scientific_journal-7406	distance
american_scientific_journal-7406	deposit
american_scientific_journal-7406	technology
american_scientific_journal-7406	configuration
american_scientific_journal-7406	arrangement
american_scientific_journal-7406	results
american_scientific_journal-7406	journal