What is <physically interacts with> of <electromagnetic waveguide> ?
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What does electromagnetic waveguide physically interact with?
SELECT DISTINCT ?w WHERE { resource:electromagnetic_waveguide property:physically_interacts_with ?w }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q354724> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P129> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q354724 wdt:P129 ?answer}
antenna feed horn electromagnetic wave