Part

1 2|           are - the patient; the operator; the assistants; the instruments;
2 3|                      Part 3~~The operator is either sitting or standing,
3 3|      opposite the light, and the operator opposite the part operated
4 3|      light; for in this case the operator will indeed see, but the
5 3|  concerns this side or that, the operator must not be beyond his be
6 3|      upon should accommodate the operator with regard to the other
7 6| listening to the commands of the operator.~