id	keyword
american_scientific_journal-1575	construction
american_scientific_journal-1575	industry
american_scientific_journal-1575	apprenticeship
american_scientific_journal-1575	skills
american_scientific_journal-1575	training
american_scientific_journal-1575	artisan
american_scientific_journal-1575	shortage
american_scientific_journal-1575	engineering
american_scientific_journal-1575	research
american_scientific_journal-1575	journal
american_scientific_journal-1575	study
american_scientific_journal-1575	zambia
american_scientific_journal-1575	trade
american_scientific_journal-1575	labour
american_scientific_journal-1575	sample