Thought I'd have another go at this mission to see if I could improve my time! :) I noticed that putting more things in the drawers before repeatedly opening and closing them seems to skips voice lines more consistently, since then you not only get the audio from the drawers themselves, but also the stuff inside the drawers getting tossed around. I think the plates being on top of each other helps too since the collisions between them seem to have louder sounds associated with them and thus skip voice lines better. (I think volume has something to do with it?)