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.
Drain antifreeze from radiators and heater cores as soon as possible. Keep volumes of spent antifreeze low by properly and routinely recycling the waste. Propylene Glycol is a less-toxic alternative to the more-common Ethylene Glycol antifreeze. This helps to prevent poisonings in children and pets. However, it is still usually a dangerous waste when it is spent, because heavy metal contaminates it when it is used.