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.
Having thyroid hormone levels that are too high (overactive thyroid gland). Sometimes the thyroid gland makes too much thyroid hormone, which is called hyperthyroidism. Think of your body as a car and your thyroid as the engine. An overactive thyroid makes your body idle too fast. Symptoms of overactive thyroid gland include. 1  Feeling nervous and irritable. 2  Having trouble concentrating.