id	keyword
american_scientific_journal-4758	manufacturing
american_scientific_journal-4758	technology
american_scientific_journal-4758	printing
american_scientific_journal-4758	engineering
american_scientific_journal-4758	patents
american_scientific_journal-4758	material
american_scientific_journal-4758	additive
american_scientific_journal-4758	research
american_scientific_journal-4758	parts
american_scientific_journal-4758	sciences