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A look at what good metaphors consist of and how they are useful.

Good metaphors, apart from just sounding nice to the ears, do at least two other things. First, they make it easier to think about something. For example, if you were to try to explain to a first-time computer user that bits of electricity create binary code which then… well, I can’t explain it actually, except to say that a computer has “memory,” at which point the user nods his or her head and says, “Oh, I get it.” The metaphor “memory” immediately suggests that information can be stored and retrieved.

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Electricity is extremely dangerous so you need to focus on safety at all times when dealing with it. There are special gloves just for the purpose.

Electrical gloves are used to protect the electrician from accidental contact with charged systems while working. In normal situations, electrical systems are deactivated before work is performed. It is normal to shut down the entire electrical supply to a work area and most often equipment is even tagged out to insure that no one turns it back on. There are occasions when the electrician must work close to a charged system. At these times, protective gloves can be a life saver.

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