Loosen the restraint slightly to allow proper blood flow and circulation for the distal region.
Make sure you discard right away the used probe in the garbage in order to avoid contamination
It is a room that can be made completely dark to allow the processing of the light sensitive photographic materials, including film and photographic paper. Various equipment is used in the darkroom, including an enlarger, baths containing chemicals, and running water.
I hope this helps.(^_^)
