→ skos:altLabel → "Using Holes"@en
→ skos:prefLabel → "Porous Materials"@en, "Verwendung poröser Werkstoffe"@de, "Приём использования пористых материалов"@ru
→ od:hasAltshuller84Id → "31"
→ od:LippertGlossaryNote → "In the physical construction of a system, empty space is left for room to expand the system."@en, "Materials (gasses, solids, and liquids) can be made more porous by creating voids. Such voids change the condition of the materials and increase their surface area."@en, "In digital transmissions, protocols often contain “reserved” fields that are unused (or empty) space."@en, "It should not be limited just to materials as it can be applied equally as well to space, time, fields, functions, and information."@en, "This principle can be utilized to increase air flow or achieve filtering."@en
→ od:Matrix2003Id → "31"