Following are examples of three metamorphic rocks and a list of their uses. Marble is a metamorphic rock that is used to make floor tiles, counter tops and it is carved into statues and was used extensively in the building of the Roman Colosseum and other historic buildings. Slate is another metamâ¦.
A hex key, Allen key or Allen wrench is a tool of hexagonal cross-section used to drive bolts and screws that have a hexagonal socket in the head (internal-wrenching hexagon drive).
A JSON Web Key Set (JWK Set) document // is a JSON data structure for representing one or more JSON Web Keys (JWK). A JWK Set might, // for example, be obtained from an HTTPS endpoint controlled by the signer but this example // presumes the JWK Set JSONhas already been acquired by some secure/trusted means.