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31. It must also provide a high level of water vapour resistance.

32. It is the vapour tank that is the key to the machine's alleged superiority over other steam irons.

33. The vapour barrier also served to protect the timber from rainfall during the time that the roof was being constructed.

34. In laboratory experiments he has shown that the electrical field of the human entity can affect the contents of the vapour.

35. Describe an experiment by which you would determine the relative molecular mass of a gas or vapour.

36. Something marshy in the fogs of the wide vale of York seemed tonight to poison the gathering vapour.

37. Is it mothballs or furniture polish or tobacco or vapour rub?

38. A heavy mist had fallen, drowning the countryside in its white vapour and making Royston Manor even more sinister.

39. Comets are easy to find because they are bright, being surrounded by vast clouds of water vapour.

40. Figure 3.13 shows how the vapour pressure of water increases with temperature.

41. The vapour exploded and a huge fireball ripped through the maisonette.

42. Water is the only substance which can easily be seen passing into vapour when heated and becoming solid when cooled.

43. Lighting is by two Floraset mercury vapour lamps which were originally set on a timer to give 11 hours of light.

44. Various accessories are available for corner trims. Vapour barrier, sealed at overlaps, is laid on top of ply roof deck.

45. Incidentally, cavity wall insulation should be impermeable to water vapour, or interstitial condensation can occur.

46. Figure 6.18 is a typical vapour pressure-composition diagram for a non-ideal solution showing positive deviation.

47. But it found that anything that produces water vapour - unvented tumble driers(sentencedict.com), for example - pushed up damp levels significantly.

48. More particles in the liquid phase will thus have sufficient energy to escape into the vapour phase.

49. We have seen that a gas or vapour does not have a definite volume or shape.

50. Because if they didn't, then all solid matter would simply turn to vapour.

51. The Vapour Corporation Power pop, which means don't expect to leave with your eardrums intact.

52. The radiation, which comes From the arc in the mercury vapour, is mainly ultraviolet with a wavelength of 253-7 nanometres.

53. A porous polymer membrane bag seals the electrolyte, allowing water vapour, but not the acid solution, to pass.

54. The partial vapour pressure of the less volatile component decreases at the same time.

55. No aromatic oils, vapour rubs, smelly nasal decongestants like menthol or eucalyptus etc.

56. If the solute has a lower pressure than the solvent, then the vapour pressure is reduced.

57. Standard polyurethane foam ignites rapidly, forming dense clouds of smoke and toxic vapour as it does so.

58. Cut to size, push between rafters, and conceal behind plasterboard lined with vapour barrier.

59. This means a catastrophic engine failure could send a fragment into the wing and ignite the fuel vapour.

60. When using warm seawater vapour, the plant can also produce fresh distilled water when it is condensed back into a liquid.