The main components of high-voltage electric transmission lines and associated facilities include: Transmission towers are the most visible component of the power transmission system. Their function is to keep the high-voltage conductors (power lines) separated from their surroundings and from each other.
It is not surprising then that some of the symptoms of hyperthyroidism are nervousness, irritability, increased perspiration, heart racing, hand tremors, anxiety, difficulty sleeping, thinning of your skin, fine brittle hair and weakness in your musclesâespecially in the upper arms and thighs.
If you notice these symptoms, call your doctor and ask about having your thyroid tested. Left untreated, an overactive thyroid can cause other health problems, such as an increased risk for osteoporosis and potential heart trouble. The shaking may be subtle, or it could be to the point where you can't steadily carry a drink without spilling it. 2  Diarrhea. 3  An overactive thyroid causes the digestive system to speed up, and this leads to frequent, loose bowel movements. 4  Eye problems.