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Students apply these techniques in a laboratory analysis of their own design . And I 'm just saying , with all these protections in place , we have still damaged cable , whether something 's fell in against the Bretby and when it 's pulled across it , it cut into it or something like that , with all these precautions in place , we have still had cable problems , you know , and in my mind , I do n't understand how you could do the same thing for a miner that we do for the longwall for a CM , that we do for the longwall in protecting the cable . At that stage , we hope to have built up a solid foundation for the practice of these techniques in the local context . It has been gratifying to see students quickly find other applications for these techniques in their studies and pass the knowledge along to classmates . I doubt that I myself will be able to employ these lessons in a very effective way though I recognize their value and importance . Students will learn about common film editing techniques and gain hands-on experience using these techniques in an in-camera class activity . The principal objective of the literature review is to identify and review material that addresses among other things the local origins and development of the concept of payments and markets for environmental services , the types of existing initiatives and who is participating in them , the knowledge base underpinning market development , and the monitoring and evaluation of the initiatives to date , and the extent to which the literature assesses these initiatives in terms of economic efficiency , environmental effectiveness , and social equity and / or poverty reduction . But in Cherry 's richly illustrated story , one such habitat survives , giving readers hope and inspiration for preservation of these ecosystems in the real world .