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.
It can be extremely poisonous to humans. The symbol Hg that mercury is known by comes from its Greek name, hydrargyrum, which means liquid silver â to reflect its shiny surface. The element is also known as quicksilver for its mobility.Named after the fastest-moving planet in the solar system, mercury has been known to humanity for ages.In fact, evidence of its use has been found in China, India and Egypt, and traces of mercury were found in 3,500-year-old Egyptian tombs. Mercury is a very toxic element.amed after the fastest-moving planet in the solar system, mercury has been known to humanity for ages. In fact, evidence of its use has been found in China, India and Egypt, and traces of mercury were found in 3,500-year-old Egyptian tombs. Mercury is a very toxic element.