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Вы узнаете: — Какие марки полиэтилена для выдувных изделий выпускает Сибур. — Основные этапы экструзионно-выдувного формования. — Основные и дополнительные узлы оборудования. — Что учесть при смене материала.
Вы узнаете: — Какие марки полиэтилена для выдувных изделий выпускает Сибур. — Основные этапы экструзионно-выдувного формования. — Основные и дополнительные узлы оборудования. — Что учесть при смене материала.
The fake Zelenskiy account reached 20,000 followers on Telegram before it was shut down, a remedial action that experts say is all too rare. "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. Right now the digital security needs of Russians and Ukrainians are very different, and they lead to very different caveats about how to mitigate the risks associated with using Telegram. For Ukrainians in Ukraine, whose physical safety is at risk because they are in a war zone, digital security is probably not their highest priority. They may value access to news and communication with their loved ones over making sure that all of their communications are encrypted in such a manner that they are indecipherable to Telegram, its employees, or governments with court orders. On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat.
from jp