41.   Food supplies are at a critically low level.

42.   The heart monitor shows low levels of consciousness.

43.   Low levels of choline in the body can give rise to high blood-pressure.

44.   ...waste which is contaminated with low levels of radioactivity.

45.   The low level of current investment has serious implications for future economic growth.

46.   Among other parties, unexpectedly low levels of support were recorded for the Green Party, the Socialist Party and Social Democrats.

47.   Soviet grain supplies were already at critically low levels.

48.   Line a-f is the case of the failure of an approach with a high level of creativity but too low a level of logical rigour.

49.   A low level of unemployment would certainly make the finance of the social security scheme less perilous but there had been no organised lobbying for a full employment policy.

50.   At the other end of the scale, there is a very low level of risk which is clearly negligible.