bn:16019596n
Noun Concept
EN
level  spirit level vial  dragonfly  spirit level tube
EN
Sealed vessel containing liquid and a bubble of air that is used as part of a spirit level Wikidata
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EN
Sealed vessel containing liquid and a bubble of air that is used as part of a spirit level Wikidata
any instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb) Wikidata
Wikidata
Wikidata Alias