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.
Depression, the thyroid and hormones. Depression is a common symptom of an underactive thyroid, also called hypothyroidism. A doctor will want to rule out other causes of the depression, and diagnosis of underactive thyroid may be reached once other symptoms have been explored, such as tiredness and weight gain.