sealer
n.— «While the case is unusual the first of this kind in the county in at least seven years it’s pretty straightforward, said Jim Delperdang, who is what’s called the “sealer” for the county’s Weights & Measures Division, which referred the case to the District Attorney’s Office for prosecution. Delperdang’s job and the job of the division is to ensure the accuracy of transactions involving weights or measures. He’s called the “sealer” because devices that measure quantity or weight of an item for sale are inspected and carry his seal. In this particular case, the Weights and Measures Division is also responsible for ensuring that gasoline conforms to standards for specific octane and is free of contamination.» —“Gas station operator enters plea to misdemeanor charges” by Scott Hadly Ventura County Star (Camarillo, California) June 12, 2007. (source: Double-Tongued Dictionary)
Further reading
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Enthusiastic book recommendations! Martha’s savoring the biography of Alexander von Humboldt, the 19th-century explorer, polymath, and naturalist who revolutionized our understanding of nature and predicted the effects of human activity on...