dʒˌiːoʊtˈɛkstaɪlz ɑːɹ jˈuːzd fɔːɹ dɹˈeɪnɪdʒ tʊ ˈiːðɚ kənvˈeɪ ɔːɹ ɐlˈaʊ wˈɔːɾɚ pˌɛnɪtɹˈeɪʃən ænd tə pɹɪvˈɛnt ðə mˈɪksɪŋ ʌv tˈuː dˈɪfɹənt mətˈɪɹiəlz; dʒˌiːoʊmˈɛmbɹeɪnz ɑːɹ jˈuːzd tə kəntˈeɪn lˈɪkwɪdz ɪn pˈɑːndz ɔːɹ wˈeɪsts ɪn lˈændfɪlz; dʒˈɪəɡɹˌɪdz ænd dʒˌiːoʊsˈɛlz ɑːɹ jˈuːzd fɔːɹ lˈoʊd səpˈoːɹt ænd tʊ ɪŋkɹˈiːs ðə bˈɛɹɪŋ kəpˈæsᵻɾi ʌv wˈiːk sˈɔɪlz; ænd dʒˌiːoʊsˈɛlz ɑːɹ jˈuːzd fɔːɹ slˈoʊp ænd tʃˈænəl pɹətˈɛkʃən ænd ɪɹˈoʊʒən kəntɹˈoʊl.
Geotextiles are used for drainage to either convey or allow water penetration and to prevent the mixing of two different materials; geomembranes are used to contain liquids in ponds or wastes in landfills; geogrids and geocells are used for load support and to increase the bearing capacity of weak soils; and geocells are used for slope and channel protection and erosion control.