Но наполняемость их не должна превышать 50 процентовИсточник:
https://xn--80aaaf9agbtgd4a3f4b.xn--p1ai/%d0%b4%d0%b5%d1%82%d1%81%d0%ba%d0%b8%d0%b5-%d1%81%d0%b0%d0%b4%d1%8b-%d0%b4%d0%be%d0%bb%d0%b6%d0%bd%d1%8b-%d0%be%d1%82%d0%ba%d1%80%d1%8b%d1%82%d1%8c%d1%81%d1%8f/
https://xn--80aaaf9agbtgd4a3f4b.xn--p1ai/%d0%b4%d0%b5%d1%82%d1%81%d0%ba%d0%b8%d0%b5-%d1%81%d0%b0%d0%b4%d1%8b-%d0%b4%d0%be%d0%bb%d0%b6%d0%bd%d1%8b-%d0%be%d1%82%d0%ba%d1%80%d1%8b%d1%82%d1%8c%d1%81%d1%8f/