35. Which of these describes the

proper handwashing technique?

After applying soap you must

scrub your hands, fingers, and

forearms for a minimum of

seconds:

The part that describes the proper handwashing technique is scrub the backs of your hands, between your fingers, and your forearms,

Explanation:

Talking about instructions the part that specifically talks about methodology is the one that mentions the parts that must be washed and the way it has been done, the keywords are "scrub" to describe the way how and "backs of your hands, between your fingers, and your forearms" to specify the areas to treat in that way.

20 seconds long you should wash your hands