Merilee Deborah Karr

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Questions related from Merilee Deborah Karr

How to remove artificial flavors from HDPE (High Density Polyethylene) container?

I'm trying to remove from plastic 5-gallon (20-liter) HDPE containers the sickly sweet odors remaining from the flavoring concentrates the containers originally held. For example, "Strawberry...

03 February 2019 9,053 0 View

Have public health measures ever succeeded in excluding bubonic plague from an area?

For a history of Portland Oregon's successful campaign to block the spread of San Francisco's plague epidemic in 1907. The then-recent proof that the vector was fleas primarily, rats only...

15 September 2015 5,914 12 View