Dimethicone, also known as polydimethylsiloxane, is a silicon-based polymer that is a man-made synthetic molecule made up of repeating units called monomers. Silicon is the second most abundant element in the Earth's crust after oxygen, and silicon dioxide is also known as sand, commonly found on beaches and shores.
In regards to a job, a refusal letter is written when a company offers a position to an individual who must refuse due to his or her circumstances, such as already having accepted another offer, or simply a lack of interest in this particular job.
Right of First Refusal Definition: A right given to a person to be the first person allowed to purchase a certain object if it is ever offered for sale. First Right and Option. The owner of this right (called the pre-emptioner or the optionee) is the first to be offered the sale if the item is ever to offered for sale.