Crossword puzzle clue "like the four things named in the circled squares"

Like the four things named in the circled squares

She queried a magic object named twice in this puzzle's circled squares

Answer provided by the magic object named twice in the circled squares

Vicissitudes of life, as for the inventor named in the circled squares?

Like many teen girls, and a literal hint to this puzzle's circled squares

Like the contents of this puzzle's circled squares, in a nursery rhyme

Fragile articles ... or a hint to the things named by the circled letters

Angle irons graphically represented by four sets of black squares in this grid, and by letter formations starting in the four longest answers