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The method employs standard semiconductor manufacturing techniques to achieve highly uniform dimensions and doping levels as well as precise control over the location of the nanosensors . These goals will be attained through a systems-based approach that will employ molecular , immunological , and genomic techniques to studies at the gene , cell and whole animal levels . " I will use the same materials , equipment , and techniques in the actual conservation procedures for all the objects under my care , but the extent of preliminary consultation , written and photodocumentation , and complexity of treatment may vary greatly according to the quality and value of the object . Drag-and-drop techniques , exploded views , and jogged explode-offset lines provide a clear , complete and accurate representation of each process step . It is the largest science and environmental education center in the Department of the Interior with interactive exhibits that focus on global environmental issues , migratory bird studies , habitats , endangered species , creature life cycles , and the research tools and techniques used by scientists .