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    Gypsum,  · Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures including ...Coronavirus articles about Italy on 2020,  · Coronavirus articles about Italy on 2020-07-12 We process a massive stream of news provided by the excellent European Commission project, MediSys, curate it to focus on stories about a given country, and for readers of English, automatically translate any foreign language stories to provide as complete as possible a picture of how the world is responding to the COVID-19 pandemic.Periplus of the Erythraean Sea/Notes,  · Title. Periplus was the name applied to a numerous class of writings in Roman times, which answered for sailing-chart and traveler's hand-book. The title might be rendered as "Guide-Book to the Erythraen Sea." Title. Erythraean Sea was the term applied by Greek and Roman geographers to the Indian Ocean, including its adjuncts, the Red Sea and the Persian Gulf.4 Ways to Identify Platinum and Silver Jewelry,  · How to Identify Platinum and Silver Jewelry. To the untrained eye, platinum, silver, and sterling silver may appear very similar at first glance. However, with a little practice, you'll be able to tell the difference in no time! Locate any...F is for Follow,  · You can pack a few in there and get a fine bang! If I ever have the time/facilities, I hope to do flight/distance tests (and videos) of all the gliders, matchstick-firers and rockets/missiles etc . . . but definitely a back-burner thing. H July 9, 2020 at 6:01 PM.

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