Finally Indeed

"This is a vibrating cast saw. I am going to use it to cut your cast on your leg," The man who has thinning hair wearing glasses, and a doctor's uniform showed a black and silver tool in his hand with a circular blade on the tip of it. 

"Is it safe? I mean, will it hurt?" Olivia asked. Her face looked like she was already in pain even though the tool was not intended for her. 

The doctor smiled and shook his head. Then he placed the blade on his palm to show that it was safe. "This will not cut the skin," He said. 

Olivia nodded her head. "Okay,"