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.
What is a 'Right Of First Refusal'. A right of first refusal is a contractual right of an entity to be given the opportunity to enter into a business transaction with a person or company before anyone else can. If the entity with the right of first refusal declines to enter into a transaction, the owner of the asset is free to open the bidding up to other interested parties.