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.
The thyroid gland can become underactive or overactive in some people and both cause a unique set of problems. Those with an underactive thyroid may gain weight, have mental fogginess and be tired a lot. Those with an overactive thyroid may lose weight and muscle mass, experience insomnia and have a rapid heart rate.