| Once ignited, the updraft of air within the flue will feed this chimney fire, causing it to grow rapidly and producing very high temperatures. |
| The post incineration process includes six cleansing operations to remove pollutants from the flue gasses. |
| He inserted a probe into the flue pipe and said the meter went off the scale. |
| The grate or fire basket holds the flames and can be fitted with a gas burner, while the flue or chimney extracts the smoke. |
| This supply of fresh air is also important to help carry pollutants up the chimney, stovepipe, or flue to the outside. |
| The variety, character, and pungency of tone in the flue work, is as admirable as their reeds and swell organs are poor and defective. |
