id	keyword
american_scientific_journal-7483	composites
american_scientific_journal-7483	materials
american_scientific_journal-7483	figure
american_scientific_journal-7483	aircraft
american_scientific_journal-7483	technology
american_scientific_journal-7483	engineering
american_scientific_journal-7483	weight
american_scientific_journal-7483	matrix
american_scientific_journal-7483	research
american_scientific_journal-7483	american
american_scientific_journal-7483	aeronautical