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.
Mercury, the only metal that is a liquid at room temperature, melts at â38.9 ÂºC, and boils at 356.6 ÂºC. (Click here for photos of a liquid mercury fountain).Elemental mercury is extremely toxic and rarely occurs free in nature. It is often found as the mineral cinnabar, HgS, which is a red solid at room temperature.ercury, the only metal that is a liquid at room temperature, melts at â38.9 ÂºC, and boils at 356.6 ÂºC. (Click here for photos of a liquid mercury fountain). Elemental mercury is extremely toxic and rarely occurs free in nature.