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The Apple support homepage is the main portal to help you answer all of your questions about your new Apple hardware and software products, featuring user forums, troubleshooting pages, and tutorials.

The National Pollutant Inventory (NPI) - Australia's national public database of pollutant emissions - is an internet database designed to provide the community, industry and government with information on the types and amounts of certain chemicals being emitted to the environment.

The American Medical Association (AMA) helps physicians help patients by uniting physicians nationwide and medical students to work on the most important professional and public health issues.