Which of the following is the correct statement regarding the seating position of the operator? a. The operator’s thighs are parallel to the floor. b. The operator is seated as far forward on the...

Which of the following is the correct statement regarding the seating position of the operator? a. The operator’s thighs are parallel to the floor. b. The operator is seated as far forward on the stool as possible. c. The operator is always seated at the 12 o’clock position. d. The operator’s feet rest on the stool legs.