Exercise 3 solution

1. Scrape the sting out with a fingernail, without squeezing the venom glands.
2. Wash the area with soap and water.
3. Apply ice or a cold compress.
(The order is mine; the article lists these without numbers.)

Not said by the article: what to do about a severe reaction. It names anaphylactic shock as rare among beekeepers but gives no treatment, so you would need proper medical guidance (and to know in advance whether you react badly) before relying on these steps alone.