id	keyword
american_scientific_journal-7452	suspension
american_scientific_journal-7452	suspension system
american_scientific_journal-7452	vehicle
american_scientific_journal-7452	mass
american_scientific_journal-7452	systems
american_scientific_journal-7452	displacement
american_scientific_journal-7452	control
american_scientific_journal-7452	vehicle suspension
american_scientific_journal-7452	𝑍 𝑍