Not the most obvious ending to a sentence.
Posted: Sat Dec 04, 2021 10:46 am
https://en.m.wikipedia.org/wiki/List_of ... ls_sciencethe wiki wrote:Diamonds are not infinitely hard, and are subject to wear and scratching: although they are the hardest known material on Mohs Scale, they can be scratched by other diamonds and worn down even by much softer materials, such as vinyl records.
Spoiler: