The key is that it is executed with, and a part of, the original contract. Sometimes agents confuse addendum with an amendment, which is a modification later to the terms of an already-accepted contract. It has surprised me how often experienced agents use the wrong term for a document.
At this time, wax crayons were big, dull-colored, and clumsy and were used mainly in industry. But Binney & Smith used a combination of paraffin wax and industrial pigments to create crayons that were kid-friendly. In 1903, the first yellow and green box of eight Crayola crayons appeared. (The name Crayola means oily chalk).
A crayon (or wax pastel) is a stick of colored wax, charcoal, chalk or other material used for writing or drawing.A crayon made of pigment with a dry binder is a pastel; when made of oiled chalk it is called an oil pastel.A grease pencil or china marker (UK chinagraph pencil) is made of colored hardened grease. crayon made of pigment with a dry binder is a pastel; when made of oiled chalk it is called an oil pastel.