Answer:
I go around in circles, But always straight ahead Never complain, No matter where I am led.
A standard dimension for sandwiches and rulers
What sevenletter word becomes longer when the third letter is removed?
Cut the wrong wire and it goes boom
Up on high I wave away but not a word can I say.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?