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| P2 header (A hidden section of an e-mail message. From the time a message is first created, information about it is added to the message header, including technical details, such as who created the message and the software used to compose it) | |||
| заголовок P2: 4 phrases in 3 subjects |
| Computer networks | 1 |
| Mass media | 1 |
| Telecommunications | 2 |