In the context of legal contracts, consent or waiver is the voluntary agreement to maintain the contract, even if a short period of time has not been respected. A contract supplement should contain the following information: CONSIDERING that the parties agree to modify their obligations under the existing contract and other valuable considerations whose receipt and quality are confirmed, the parties undertake to respect the following commitments, conditions and arrangements: the endorsement is the radial distance from the circle of nicks of a gear, Snail wheel, etc. towards the ridges of teeth or edges. It is also the radial height of a tooth above the pitch circle. Real estate is real estate consisting of land and improvements, including buildings, furniture, roads, structures and supply systems. Property rights confer property rights to land, improvements and natural resources such as minerals, plants, animals, water, etc. .