id	keyword
american_scientific_journal-4334	construction
american_scientific_journal-4334	road
american_scientific_journal-4334	projects
american_scientific_journal-4334	contractors
american_scientific_journal-4334	capacity
american_scientific_journal-4334	performance
american_scientific_journal-4334	research
american_scientific_journal-4334	journal
american_scientific_journal-4334	study
american_scientific_journal-4334	extent
american_scientific_journal-4334	management
american_scientific_journal-4334	county
american_scientific_journal-4334	industry
american_scientific_journal-4334	kenya
american_scientific_journal-4334	quality
american_scientific_journal-4334	technology
american_scientific_journal-4334	engineering