Answer:
What goes through towns and over hills but never moves?
I am rarely touched but often held. If you are smart you'll use me well. What am I?
I tell people to be careful when handling boxes.
The more of me there is the less you see.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
Within, I clean all that is bad and is old. I make juice thatβs the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.