Exposure Indicator Question

On this episode, I'm answering "How can you take one radiograph with manual technique, and take a second radiograph of the same anatomy with the same technique, but get a different Exposure Indicator value?"  
/ @topicsinradiography

[@LongLe_cuocsongNewYork]

thanks so so muchhhhhhhhh

[@TopicsInRadiography]

No problem!