ɔnðɪ ˈʌðɚ hˈænd, ɪnðə læɡɹˈæŋɡiən spˌɛsɪfɪkˈeɪʃən, ˌɪndᵻvˈɪdʒuːəl flˈuːɪd pˈɑːɹsəlz ɑːɹ fˈɑːloʊd θɹuː tˈaɪm.
On the other hand, in the Lagrangian specification, individual fluid parcels are followed through time.