Memba me?

Yes, she was inclined to patronise you, I thought. / I don't think she meant to patronise me in particular, it's the sort of manner that comes to women when they find themselves married, especially if they have had aspirations after that state for some time.[…]

Enriched air or nitrox is a mixture of air and oxygen; the oxygen component ranges to about 50% but is used normally at 32 to 40%. … Safe enriched air nitrox diving practices established for the scientific diving community might be of some value and could help avoid accidents due to ignorance of its hazards and use of improper procedures.

In more cheersome vein, there are young Edward's “boules,” which could not be “marbles,” although they so obviously are.