<https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept8390/>
        a       <https://www.w3.org/ns/ldt/document-hierarchy#Item>;
        <http://purl.org/dc/terms/created>
                "2026-06-17T07:30:49.382Z"^^<http://www.w3.org/2001/XMLSchema#dateTime>;
        <http://purl.org/dc/terms/creator>
                <https://admin.linkeddatahub.com/acl/agents/0ab4a0f7-1ab0-4d0c-8efc-63a79a2e9a10/#this>;
        <http://purl.org/dc/terms/title>
                "Drainage engineering"@en;
        <http://rdfs.org/sioc/ns#has_container>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/>;
        <http://www.w3.org/ns/auth/acl#owner>
                <https://admin.linkeddatahub.com/acl/agents/0ab4a0f7-1ab0-4d0c-8efc-63a79a2e9a10/#this>;
        <http://xmlns.com/foaf/0.1/primaryTopic>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept8390/#this> .

<https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept8390/#this>
        a       <http://www.w3.org/2004/02/skos/core#Concept>;
        <http://purl.org/dc/terms/modified>
                "2019-12-17T16:38:29Z"^^<http://www.w3.org/2001/XMLSchema#dateTime>;
        <http://www.w3.org/2004/02/skos/core#altLabel>
                "Drenaje de tierras"@es , "Land drainage"@en , "Дренаж земель"@ru , "هندسة الصرف"@ar , "صرف الاراضي"@ar , "Drainage des terres"@fr;
        <http://www.w3.org/2004/02/skos/core#broader>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept612/#this>;
        <http://www.w3.org/2004/02/skos/core#inScheme>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concept-schemes/unesco-thesaurus/#this>;
        <http://www.w3.org/2004/02/skos/core#prefLabel>
                "هندسة صرف الفضلات"@ar , "Дренажные сооружения"@ru , "Drainage engineering"@en , "Ingeniería de drenaje"@es , "Technologie du drainage"@fr;
        <http://www.w3.org/2004/02/skos/core#related>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept1989/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept3180/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept8391/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept8387/#this> .