Vocabulary and grammar exercises 4. substitute the underlined words with the synonyms from the text. 1. the fire has immediately covered adjoining buildings. 2. in the process of burning heat and light are released. 3. flammable liquids should be stored away from any source of ignition. 4. a flashover takes place when enough air is available. 5. during the starting stage the fire produces water vapor, carbon dioxide and other gases. 6. if any of three factors necessary for combustion is eliminated the combustion will stop. 7. few substances oxidize strongly even at room temperatures. 8. the speed of burning is the second factor determining the flammability of the material. 9. the temperature of the woodwork in the room was raised to its ignition point. 10. wood bursts into flames spontaneously at temperatures higher than 520 f.
