Answer:
an analytical report about pollution
The Mrs. Piggle-Wiggle series is about a small woman who lives in an upside-down house in a lively neighborhood inhabited mainly by children who have bad habits. Mrs. Piggle-Wiggle has a chest full of magical cures left to her by her deceased husband, Mr. Piggle-Wiggle, who was a pirate.
This mostly depends from country to country, but most commonly people such as teachers, accountants, often doctors, builders and civil engineers, basic lawyers are often found as parts of a saturated job market.