On my playthrough I had trouble knowing if my actions were taken into account on not, sometimes it felt like the dryer gave me something back but I couldn't find it, or I'd press E next to it with an object and it would empty my "hands" but not turn on the dryer.
I'm also unsure if there's something I'm supposed to do during drying time to keep me engaged and improve my score?
I like the theme and the idea of shrinking things with the dryer though, and the environment is nice, congratulations! :)