protective earth
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Earth sheltering — is the architectural practice of using earth against building walls for external thermal mass, to reduce heat loss, and to easily maintain a steady indoor air temperature. Earth sheltering is popular in modern times among advocates of passive… … Wikipedia
Earth (Dragon Ball) — Earth (also known as the Dragon World) is a fictional planet, (based on a non fictional planet) inhabited by humans, demons, extraterrestrials, and the like being the main setting for the bulk of the plot of the Dragon Ball manga, the Dragon Ball … Wikipedia
Earth leakage circuit breaker — An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock.PurposeMany electrical installations have a relatively high earth impedance. This may be due to the use of a… … Wikipedia
Earth battery — An Earth battery is composed of a pair of electrodes made of two dissimilar metals, such as iron and copper, which are buried in the soil or immersed in the sea. A device that is placed in water is labeled a sea battery . It can act as a receiver … Wikipedia
Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers … Wikipedia
Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth … Wikipedia
Earth potential rise — In electrical engineering, Earth Potential Rise (EPR) also called Ground Potential Rise (GPR) occurs when a large current flows to earth through an earth grid impedance. The potential relative to a distant point on the Earth is highest at the… … Wikipedia
Earth quake bomb — The earth quake bomb was a concept that was invented by the British aeronautical engineer Barnes Wallis before World War II and subsequently developed and used during the war against strategic targets in Europe.DevelopmentWallis realized that the … Wikipedia
earth pillar — A tall, conical column of unconsolidated to semi consolidated earth materials (e.g., clay till, or landslide debris) produced by differential erosion and usually capped by a flat, hard rock fragment that shields the underlying, softer material … Glossary of landform and geologic terms
Please Save My Earth — Infobox animanga/Header name = Please Save My Earth caption = Cover of the first volume ja name = ぼくの地球を守って ja name trans = Boku no Chikyū o Mamotte genre = science fiction, urban fantasyInfobox animanga/Manga title = author = Saki Hiwatari… … Wikipedia
List of Please Save My Earth characters — Please Save My Earth (ぼくの地球を守って, Boku no Chikyū o Mamotte?) is a shōjo science fiction manga by Saki Hiwatari. It was published by Hakusensha from 1987 to 1994 in Hana to Yume and collected in 21 tankōbon volumes. The series was adapted as a six… … Wikipedia
