→ skos:prefLabel → "Introduction of bottle necks"@en
→ skos:note → "A 'bottle neck' is an area of a flow with sharply increased
resistance. Obviously, introducing such areas greatly reduces the
conductivity with respect to unwanted flow."@en
→ skos:definition → "Transition from a harmful flow, free from areas where the
resistance is significantly greater than the flow resistance of the pathway,
to a flow containing such areas."@en
→ skos:example → "Sunglasses."@en