| insula |
(literally, "island") a Roman apartment complex consisting of many apartments on several floors (even as many as six or seven). There was a central courtyard in the center. It was generally was inhabited by the lower classes.
출처: www.personal.kent.edu/~bkharvey/roman/terms/termse...
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| insulator |
usually made of glass or porcelain, insulators support electric wires to prevent an undesired flow of electricity; insulator cracks very often go undetected until it rains or snows which can result in electric blinks or an outage; special insulators are used along the Outer Banks to prevent accumulation of salt spray which can divert electricity from its normal path along power lines; if you spot a broken or damaged insulator report it immediately
출처: www.tidelandemc.com/glossary.htm
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