Clean rooms are utilized for various types of work in nanotechnology: - Fabrication: The creation of nanoelectronic devices, such as transistors and sensors, which require contaminant-free environments. - Characterization: Using tools like Scanning Electron Microscopes (SEM) and Atomic Force Microscopes (AFM) to analyze nanoscale materials. - Assembly: Building complex nanostructures and ensuring that they function correctly without interference from contaminants.