id	keyword
american_scientific_journal-4105	maintenance
american_scientific_journal-4105	buses
american_scientific_journal-4105	tamale
american_scientific_journal-4105	depot
american_scientific_journal-4105	research
american_scientific_journal-4105	mmt
american_scientific_journal-4105	company
american_scientific_journal-4105	study
american_scientific_journal-4105	mechanics
american_scientific_journal-4105	data