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* What are some milestone techonolgies and notable device introductions and improvements in the waste management industry?
** Sort the full timeline by "Event type" and look for the group of rows with value "Technology".
** You will see milestones inventions like the development of the {{w|garbage disposal unit}} in the United States, as well as others like the first {{w|garbage truckstruck}}s, etc.
* What are some notable materials most contributing to the global production of waste?
** Sort the full timeline by "Event type" and look for the group of rows with value "Waste source emergence".
