id	keyword
american_scientific_journal-7829	deviation
american_scientific_journal-7829	samples
american_scientific_journal-7829	stl
american_scientific_journal-7829	cm³
american_scientific_journal-7829	cnc
american_scientific_journal-7829	technology
american_scientific_journal-7829	unit
american_scientific_journal-7829	milling
american_scientific_journal-7829	density
american_scientific_journal-7829	method
american_scientific_journal-7829	printing