65,574
edits
Changes
→Sample questions
* What are some events describing the introduction of chemical agents used to inactivate or destroy microorganisms?
** Sort the full timeline by "Event type" and look for the group of rows with value "Disinfectant introduction".
** You will mostly see a large number of substances used for disinfection, starting from {{w|alcohol}} and {{w|vinegar}}, which were introduced in ancien ancient times.
* What are some events describing research on disinfectants?
** Sort the full timeline by "Event type" and look for the group of rows with value "Disinfectant research".
