This might could help
http://diy.stackexchange.com/questions/998/what-are-the-different-gauges-of-electrical-wire-availabl...
The first people that we know of were the Sumerian people, who became a civilization around 5000-35000 B.C.E
Pretty sure is oil I’m not too sure
The answer is (a.) psychodynamic therapy
The Psychodynamic psychotherapy is a form of depth psychology which primarily focuses on revealing the unconscious content of a person’s psyche to alleviate the psychic tension. It takes many forms and one of it is when psychopathology is develop from the early experiences during childhood.