ðə kˈɑːŋkɹiːt fˈeɪs wˌɪtʃ tˈeɪpɚz fɹʌm æt ðə bˈeɪs tʊ æt ðə kɹˈɛst ˈækts æz ɐ sˈiːl bᵻtwˌiːn ðə wˈɔːɾɚ ænd ðə dˈæm ɛmbˈæŋkmənt.
The concrete face which tapers from  at the base to  at the crest acts as a seal between the water and the dam embankment.