id	keyword
american_scientific_journal-4256	water
american_scientific_journal-4256	supply
american_scientific_journal-4256	sanitation
american_scientific_journal-4256	sustainability
american_scientific_journal-4256	development
american_scientific_journal-4256	community
american_scientific_journal-4256	nepal
american_scientific_journal-4256	system
american_scientific_journal-4256	drinking
american_scientific_journal-4256	water supply
american_scientific_journal-4256	technology
american_scientific_journal-4256	maintenance
american_scientific_journal-4256	journal
american_scientific_journal-4256	research
american_scientific_journal-4256	ministry