@prefix owl:   <http://www.w3.org/2002/07/owl#> .
@prefix ssd:   <http://www.w3.org/ns/sparql-service-description#> .
@prefix xsd:   <http://www.w3.org/2001/XMLSchema#> .
@prefix skos:  <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
@prefix qb:    <http://purl.org/linked-data/cube#> .
@prefix dgu:   <http://reference.data.gov.uk/def/reference/> .
@prefix ui:    <http://purl.org/linked-data/registry-ui#> .
@prefix dct:   <http://purl.org/dc/terms/> .
@prefix reg:   <http://purl.org/linked-data/registry#> .
@prefix api:   <http://purl.org/linked-data/api/vocab#> .
@prefix dcat:  <http://www.w3.org/ns/dcat#> .
@prefix vann:  <http://purl.org/vocab/vann/> .
@prefix prov:  <http://www.w3.org/ns/prov#> .
@prefix foaf:  <http://xmlns.com/foaf/0.1/> .
@prefix cc:    <http://creativecommons.org/ns#> .
@prefix void:  <http://rdfs.org/ns/void#> .
@prefix org:   <http://www.w3.org/ns/org#> .
@prefix odrs:  <http://schema.theodi.org/odrs#> .
@prefix env-ui: <http://environment.data.gov.uk/registry/structure/ui/> .
@prefix hike:  <https://data.geoscience.earth/ncl/def/hike/> .
@prefix version: <http://purl.org/linked-data/version#> .
@prefix dbo:   <http://dbpedia.org/ontology/> .
@prefix rdf:   <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ldp:   <http://www.w3.org/ns/ldp#> .
@prefix time:  <http://www.w3.org/2006/time#> .
@prefix vs:    <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix dc:    <http://purl.org/dc/elements/1.1/> .

<https://data.geoscience.earth/ncl/DrillingMethod/sidewallCoreMechanical>
        a                skos:Concept ;
        dct:source       "This vocabulary"@en ;
        skos:broader     <https://data.geoscience.earth/ncl/DrillingMethod/sidewallCore> ;
        skos:definition  "Mechanical tools use hollow rotary drills to cut and then pull out core plugs. Up to 75 plugs can be recovered on one run. With full recovery, cores from typical percussion tools are 2.5 cm in diameter by 4.4 cm long, while those from mechanical tools are 2.3 cm in diameter by 5 cm long. The latter are also known as rotary sidewall cores."@en ;
        skos:notation    "8.2"^^xsd:ID ;
        skos:prefLabel   "sidewall core mechanical"@en .