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The sales manager makes the company's product know to the customers through press, radio and television.
Общий - Does the sales manager make the company's product know to the customers through press, radio and television?
Альтернативный - Does the sales manager make the company's product know to the customers through press, radio and television OR through advertising campaigns?
Альтер. к подлежащему (его особенность в том, что перед КАЖДЫМ подлежащим нужен вспомогательный глагол) Does the sales manager or does the public relations officer make the company's product know to the customers through press, radio and television?
Специальный - What does the sales manager make the company's product know to the customers through?
What does the sales manager do? What does the sales manager make know to customers?
Специальный к подлежащему - Who makes the company's product know to the customers through press, radio and television?
Разделительный - The sales manager makes the company's product know to the customers through press, radio and television, doesn't he//she?

through what does the manager make the company's product know to the customers?
who makes the company's product know to the customers through press, radio and television?
what does the manager make to know to the customers through press, radio and television?
еще наверно
what does manager do?