People newly appointed to post tend to make big changes. Like new brooms, they
do their work thoroughly.

> When Mrs Bristow retired, Miss Parsons was appointed superintendent of the
department. She found fault with all Mrs Bristow’s methods, which she
described as old–fashioned, and turned the department upside down, much to the
annoyance of the girls who had worked so happily under Mrs Bristow. Little
wonder they muttered among themselves about new brooms!