1, The flue has become sooted up.

2, The flue should draw better once it's been swept.

3, If the flue overdraws, all the heat goes right up the chimney.

4, It's thought the flue may have become blocked.

5, Once you are satisfied that the flue is in a usable condition, you can turn your attention to the fireplace itself.

6, I think there was a way into the flue all along, under cover of those bushes.

7, A fan is used to retrieve the flue gas heat, utilising a stainless steel condensing coil.

8, If I close down the flue up the chimney, then less of the heat escapes up and out.

9, Even retrofitting of flue gas desulphurisation at the big coal stations would not make them more expensive than some gas burn.

10, Oil furnaces need a metal flue,(http://sentencedict.com/flue.html) but are also easily installed.

11, So them flew through a flaw in the flue.

12, So they flew through flow in the flue.

13, This stove separates the flue and sirocco way completely.

14, The resulting flue gas is almost pure carbon dioxide.

15, So they fled through a flaw in the flue.

16, So they flew through a flaw in the flue.

17, The flue gas generated in the process of oxidation roasting was absorbed by a lower pyrolusite pulp(sentencedict.com), and sulfur was recovered.

18, The hazard of flue gases pollutants including acid gases, heavy metals, dioxins from the municipal solid waste incineration is introduced, and control measures for these pollutants product.

19, Tea and flue - cured tobacco is an important cash crop.

20, The fire won't burn because the flue is blocked up.

21, The content of nornicotine is higher after flue - curing than before flue - curing.

22, However, the newer systems can be installed anywhere you can get a flue to the outside wall.

23, You may prefer central heating, and more controllable ventilation than permanently open flue.

24, The result has been a halving of sulphur dioxide emissions in the flue gases..

25, Stephen took a chair beside the stove and rested his elbow on the long flue that ran across to the wall.

26, To roast birds, hang them from chimney by attaching them to a flue or a horizontal rod.

27, But before any type of chimney pot is fitted, check the condition of the flue.

28, The experimental results showed that the modified absorbents had preferable performance of simultaneous desulfurization, denitration and mercury removal from flue gas.

29, Process engineering and plant contracting for waste treatment, power plants and flue gas cleaning.

30, A flea and a fly flew up in a flue.