71.   Our low level of investment in science and technology is an indicator of our relative economic weakness.

72.   Even at relatively low levels, TBT causes masculinization in female dog whelks.

73.   In Britain, water tables are expected to remain at a low level throughout the summer.

74.   The situation is exacerbated by unusually low levels of nitrogen oxides, which inhibit ozone destruction.

75.   Springs which draw their supplies from aquifers are drying up, leading to record low levels in rivers.

76.   Record low levels of ozone have been observed over large areas of the Northern hemisphere, according to the World Meteorological Organization.

77.   Obviously there is a difference between ultimate potentials and practical economically viable systems, but considerable progress has been made, despite the low level of government funding.

78.   The staff are now not convinced that with the freedom now offered to managers to negotiate local pay bargain, that these historic low levels of pay will improve.

79.   They are very low levels of reduction.

80.   Welsh tax payers should continue to benefit from relatively low levels of tax next year, assuming sensible budgeting decisions.