🔺 هر جسم سختی، در کنار خود فضای امنی با سطح مقطع مثلثی شکل ایجاد می‌کند که به آن مثلث حیات می‌گویند. با دیدن تصاویر مختلف مثلث‌های امن خانۀ خود را پیدا کنید.
🔺 هر جسم سختی، در کنار خود فضای امنی با سطح مقطع مثلثی شکل ایجاد می‌کند که به آن مثلث حیات می‌گویند. با دیدن تصاویر مختلف مثلث‌های امن خانۀ خود را پیدا کنید.
Ukrainian forces have since put up a strong resistance to the Russian troops amid the war that has left hundreds of Ukrainian civilians, including children, dead, according to the United Nations. Ukrainian and international officials have accused Russia of targeting civilian populations with shelling and bombardments. Stocks dropped on Friday afternoon, as gains made earlier in the day on hopes for diplomatic progress between Russia and Ukraine turned to losses. Technology stocks were hit particularly hard by higher bond yields. "There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world." There was another possible development: Reuters also reported that Ukraine said that Belarus could soon join the invasion of Ukraine. However, the AFP, citing a Pentagon official, said the U.S. hasn’t yet seen evidence that Belarusian troops are in Ukraine.
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