id	keyword
american_scientific_journal-6610	soil
american_scientific_journal-6610	fibers
american_scientific_journal-6610	ccw
american_scientific_journal-6610	composites
american_scientific_journal-6610	porosity
american_scientific_journal-6610	materials
american_scientific_journal-6610	babassu
american_scientific_journal-6610	test
american_scientific_journal-6610	index
american_scientific_journal-6610	journal
american_scientific_journal-6610	engineering
american_scientific_journal-6610	coconut