Waihangahia tētahi putanga matatini ake o tēnei rerenga kōrero I tukuna tuatahihia e te kamupene Swiss Büchi i te tau 1957, ā, i whakamanahia i te tau 1964.
Ae ra, ko te putanga matatini ake o te rerenga korero ko "I hokona tuatahihia e te kamupene Swiss Büchi, a ko te Büchi '' Rotavapor '' kei te noho tonu hei kaiwhakawhanake hurihuri e whakamahia whanui ana, na te mea ko te 'Rotavap' kua waiho hei kupu taurite mo aua taputapu. "