rolling (part of speech: verb)
rotating (part of speech: verb)
- The plan of rotating the workers was good- he'd order the other guards to use it. - "Man of Many Minds", E. Everett Evans.
- If we want to do a real job we can bring each of these taps to a little stud and arrange a sliding or rotating contact with them. - "Letters of a Radio-Engineer to His Son", John Mills.
- 5, by rotating it in the blowpipe flame until the end is softened, removing it from the flame and blowing cautiously. - "A Handbook of Laboratory Glass-Blowing", Bernard D. Bolas.