This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:142188429
rdf:type
prov:Entity
prov:value
Such openings can be of any desired shape or shapes, for example any of circular, oval, elliptical, square, rectangular, etc.
prov:wasQuotedFrom
n4:es
Subject Item
isap:362462645
prov:wasDerivedFrom
isa:142188429