You are going to listen to a meeting about saving energy in an office. Before you listen, read the text below and write the words in bold next to the definitions. Simple measures to reduce energy consumption can cut office energy bills by up to 20%, such as reducing the volume of rubbish. Some businesses, however, are going further to be environmentally friendly. The function of large energy-saving plans is to save a lot of money as well as the environment, but there are limitations . One drawback of making an office more efficient is that it is expensive in the beginning, although money is saved over time. Large, complex energy-saving projects can also have a maintenance cost that often isn't factored in, which can be expensive, especially when the new technology is still experimental . (. 1. )(n.) the act of using, eating or drinking something (. 2. )(n.) the work needed to keep something in good condition (. 3. )(adj.) new and not tested (. 4. )(adj.) producing good results without waste (. 5. )(n.) a situation that restricts something (. 6. )(n.) role or purpose (. 7. )(n.) the number or amount of something (. 8. )(n.) disadvantage or negative part of a situation