71.   Chemistry that works in cold climates does not always work in hot climates.

72.   Children used to have to work in dreadful conditions, in factories and mines.

73.   Cleaners working in the tunnels between Kelvinbridge and Hillhead Stations used to report hearing disembodied voices of women singing.

74.   Clearly artists working in several media have a wide range of references.

75.   Clearly, an array of export prohibitions by one country will not work in isolation.

76.   Create a still image - in which they work out of role to create an image like a statue or three dimensional photograph.

77.   Cross-cultural differences are difficult to research even though anyone who works in different cultures will assure you they exist.

78.   Dave worked in the production department of a company that put on industrials, elaborate musical numbers for industrial conventions.

79.   Do you enjoy working in the theatre?

80.   Do you think you can work in a reference to our project?