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Hello! Since the project ws-db.ru was closed, we decided to create a new topic. At the moment on our site are available: Calculator Interactive map Articles (not available now) (the site may not work correctly/display in older versions of browsers, Internet Explorer and Edge are not supported) Calculator It was worth the effort to collect such a large amount of information about objects, if something you do not find write. But it still contains inaccuracies in the formulas, if you want to help with fixing them, you can