Коллекция какая-то тут... Проверим, меняется ли дескрипшн
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Free essys, homework help, flashcards, research papers, book report, term papers, history, science, politics
Тестовая коллекция is the study collection.
Users can add documents, flashcards, videos and links into their collections.
You can combine different types of information and share collections easily with your friends or students.