A civil engineer, an electrical engineer and a mechanical engineer are enjoying happy hour on a Friday evening. The mechanical engineer says 'I reckon that God is a mechanical engineer. Just look at the human body's musculo-skeletal arrangement, the use of levers, the bone structure... definitely a mechanical engineer.' The electrical engineer retorts 'Not a chance, God is an electrical engineer, just look at the human body's central nervous system. The complexity of the brain, the spinal column, the eyes, our ears. God is an electrical engineer. The civil engineer pipes up: 'God was a civil engineer.' The other two look at him, bemused at this statement. 'Face it, who else would put a sewage outlet through a perfectly good recreational area.'