31.   The domes are made of a steel-nickel alloy which can withstand high pressure and even explosions.

32.   In addition, the SIB high pressure regime has been modified over the years.

33.   The latter contains fluid at a high pressure which maintains the turgidity and shape of the body.

34.   There they breathe in pure oxygen at high pressure.

35.   But the current medical view is that high pressure oxygen is unproved and there are more worthwhile studies to pursue.

36.   Another was attached to a high pressure gas cylinder.

37.   As the centre of high pressure moved into the North Sea a southeasterly airstream affected the country giving mist and, occasionally, thick fog.

38.   Reactions are carried out at high pressure and temperature and the processes involve large scale filtration, drying, milling and packing.

39.   All three extremes were related to a blocking high pressure system stalled over the upper Middle West this week.

40.   Along the East Coast, a wedge of high pressure will prompt another sultry day with morning fog yielding to hazy sun.