Intel have specified and trademarked Ultrabook as a brand for a class of high-end subnotebook computers featuring reduced bulk without compromising battery life. Ultrabooks use low-power Intel Core processors, solid-state drives, and a unibody chassis to help meet these criteria.
It is an odorless, colorless, syrupy, sweet-tasting liquid. Ethylene glycol is moderately toxic, with children having been particularly at risk because of its sweet taste, until it became common to add bitter flavoring to consumer antifreezes containing it.
1 Vinyl chloride (CH2=CHCl), also known as chloroethylene, is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst. It is a toxic and carcinogenic gas that is handled under special protective procedures.