Answer:
I help engines spin and pants stay up.
The warmer I am, the fresher I am. What am I?
Keep doing me to avoid lens dryness
I have memories, but none of my own. Whatever's on my inside is what is shown. If I'm ever different, it's because you changed me. I feel like a decoration, here for you to arrange me. What am I?
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I flow from the Homerβs mouth when he sees doughnuts.