1. After about a year, most ventilation tubes fall out on their own. 2. Huge ventilation tubes of shiny steel extend the length of the barroom ceiling. 3. Since the ventilation tube was too long, the girl suffocated after several hours. 4. Treatment with ventilation tubes was compared with watchful waiting in children with persistent otitis. 5. For this reason, among others, doctors have often recommended treating early ear infections with ventilation tubes . 6. Over the top is a 3-5 metre high earth covering, from which protrude dozens of ventilation tubes . 7. A ventilation tube was placed in his eardrum until the blockage was surgically removed, the researchers said. 8. Instead, Earthships are powered by solar panels and windmills, heated with sunshine, cooled with underground ventilation tubes . 9. Ear tubes ( also called ventilation tubes ) are inserted during surgery to form an opening for drainage. 10. The study found that ventilation tubes did not have a substantial effect on language development in the children.
