[ The handwashing is understood, and important, and before she touches anything, if he even asks her to assist, she'll be doing the same. It's an understanding, and this isn't her space, so the offer is his to make. ]

Do give yourself a bit of credit.

[ Noting the flammable things, nothing particularly stands out to her as out of the ordinary, considering it's a lab and he's a professional. The clapping for the lights is fun, a novelty to her, and she smiles at him now that she can see better. Now, she's more interested in the bottles she can see, ever curious what one might stock their lab with. ]

I've successfully foisted my evening chores onto someone else, so I'm all yours. Where would you like to begin?