Everyone got it! Great to hear from all of you- something simple this week : )
Up or down, I go both ways; it all depends who goes or stays. In or out, it's up to you- push my buttons, and I know what to do. I may clank or grind, possibly groan, but should the power cut, you'll wish you were home. For, I can be scary, if your stuck in one place- when I'm running smoothly is when you know you are safe.
What am I? Answer: An Elevavator