1 Forensic phonetics: the use of phonetics (the science of speech) for forensic (legal) purposes. 2  Speech recognition: the analysis and transcription of recorded speech by a computer system. 3  pronunciation: to learn actual pronunciation of words of various languages.
Mercury vapor is odorless, colorless and very toxic. Even though liquid mercury evaporates slowly, a significant amount of mercury vapor can build up indoors after mercury is spilled, and it can be dangerous to breathe these mercury vapors.
Liquid metal consists of gallium-containing alloys with very low melting points which are liquid at room temperature. The standard metal formerly was mercury, but gallium-based alloys are being used as a replacement in various applications. Mercury is toxic, and has a high vapor pressure at room temperature.