Clay liners can also be used which have extremely long lifetimes as long as they do not dry and crack by shrinkage and/or settlement.
klˈeɪ lˈaɪnɚz kæn ˈɔːlsoʊ biː jˈuːzd wˌɪtʃ hæv ɛkstɹˈiːmli lˈɔŋ lˈaɪftaɪmz æz lˈɔŋ æz ðeɪ duːnˌɑːt dɹˈaɪ ænd kɹˈæk baɪ ʃɹˈɪŋkɪdʒ ænd slˈæʃ ɔːɹ sˈɛɾəlmənt.