id	keyword
american_scientific_journal-532	engineering
american_scientific_journal-532	soils
american_scientific_journal-532	area
american_scientific_journal-532	rock
american_scientific_journal-532	study
american_scientific_journal-532	study area
american_scientific_journal-532	strength
american_scientific_journal-532	mass
american_scientific_journal-532	silt
american_scientific_journal-532	plasticity
american_scientific_journal-532	classification
american_scientific_journal-532	mekelle
american_scientific_journal-532	clay
american_scientific_journal-532	sand
american_scientific_journal-532	limestone
american_scientific_journal-532	rock mass
american_scientific_journal-532	research
american_scientific_journal-532	sciences
american_scientific_journal-532	technology
american_scientific_journal-532	asrjets