id	keyword
american_scientific_journal-4228	oxygen
american_scientific_journal-4228	sciences
american_scientific_journal-4228	des
american_scientific_journal-4228	model
american_scientific_journal-4228	technology
american_scientific_journal-4228	journal
american_scientific_journal-4228	engineering
american_scientific_journal-4228	asrjets
american_scientific_journal-4228	research
american_scientific_journal-4228	results
american_scientific_journal-4228	volume
american_scientific_journal-4228	scientific
american_scientific_journal-4228	congo