
1) Hardness test
Found on
https://www.crosswordclues.com/clue/nanoindenter

A nanoindenter is the main component for indentation hardness tests used in nanoindentation. Since the mid-1970s nanoindentation has become the primary method for measuring and testing very small volumes of mechanical properties. Nanoindentation, also called depth sensing indentation or instrumented indentation, gained popularity with the developm...
Found on
http://en.wikipedia.org/wiki/Nanoindenter
No exact match found.