Перевод ненужен. только к какой части речи относится. rewrite and translate the sentences into russian, paying attention to ending –s. define what part of speech it is: a) verb in present simple (3 pronoun, singular); b) noun plural form; 1. noun in possessive case. 2. wireless communications allow people greater flexibility while communicating. 3. a microphone converts messages, like sounds or other data, into electronic impulses. 4. all wireless communication devices use radio waves to transmit and receive signals. 5. the transmitter uses an oscillator to generate radio waves. 6. construction and utility workers often use hand-held radios for short-range communication and coordination. 7. simple two-way radios, called walkie-talkies, have been popular children’s toys for years. 8. an example of a device that sends one-way transmission is a pager, which is a radio receiver. 9. aircraft pilots use radios to communicate with air traffic controllers at airports. 10. a device that functions both a transmitter and a receiver is called a transceiver. 11. speakerphones allow callers’ hands to be free.