How did a Sacramento classroom carpet replacement cost $22,000? What receipts show

The cost was referenced in a notice of unprofessional conduct sent to the teacher who organized the carpet removal with her students’ help.
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Gecko-Inspired Carbon Nanotube-Based Self-Cleaning Adhesives

†Department of Polymer Science, The University of Akron. ‡Department of Materials Science and Engineering, Rensselaer Polytechnic Institute. Article Views are the COUNTER-compliant sum of full text ...