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How many automobile license plates can be made involving 4 letters followed by 2 digits?
Petrochemical-Based Economy
An economy that is heavily dependent on petroleum and natural gas as raw materials for the chemical industry and energy production.
Reengineer Entire Systems
The process of fundamentally redesigning and restructuring systems to achieve dramatic improvements in performance, efficiency, and output.
Traditional Chemical Choices
Refers to the conventional selection of chemicals used in various processes, as opposed to newer, greener, or alternative chemicals.
Sustainable Building Rating Systems
Established criteria and certifications that evaluate a building's environmental performance and sustainability practices.
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