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.
Types of thyroid problems. Problems and disorders associated with the thyroid gland include: Overactive thyroid, or hyperthyroidism, can make a person feel nervousness or anxious, be hyperactive and experience unexpected weight loss. Underactive thyroid, or hypothyroidism, can make a person feel tired, put on weight and feel depressed.