Gimme three regular coffees and three blacks.

[…] some headstrong Maroons were using a soldier of Captain Craskell’s ill, and compelling him to write to his commander, that it was too late to do any thing good, and that they wanted nothing, having got plenty of powder and ball […]

Cabrera's Valentine's Day monopole detection or some extremely energetic cosmic rays could be examples of snarks.

Each occupation has two samples: workers who have never changed employer ('no-changers'), and workers who change employer at least once ('changers').