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.
Symptoms of mercury poisoning. Although mercury is poisonous (toxic), it usually only causes problems if you inhale large amounts of it. Very little mercury is absorbed by your body if you swallow a small amount of liquid mercury or get it on your skin for a short time.This is considered almost non-toxic and you'll probably have no symptoms.However, if you breathe in mercury vapour or globules, it can be absorbed into the bloodstream and cause symptoms such as: 1  a cough. 2  breathlessness. 3  chest pains, a tight chest or a burning feeling in your chest. 4  feeling irritable and nervous.lthough mercury is poisonous (toxic), it usually only causes problems if you inhale large amounts of it. Very little mercury is absorbed by your body if you swallow a small amount of liquid mercury or get it on your skin for a short time. This is considered almost non-toxic and you'll probably have no symptoms.