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.
When the thyroid produces too much hormone, the body uses energy faster than it should. This condition, overactive thyroid, is called hyperthyroidism. Symptoms that may indicate hyperthyroidism include: 1  enlarged thyroid gland. 2  inability to tolerate heat.3  infrequent, scant menstrual periods. 4  irritability or nervousness.5  muscle weakness or tremors. 6  sleep disturbances. 7  vision problems or eye irritation. 8  weight loss.ymptoms that may indicate hyperthyroidism include: 1  enlarged thyroid gland. 2  inability to tolerate heat. 3  infrequent, scant menstrual periods. 4  irritability or nervousness. 5  muscle weakness or tremors. 6  sleep disturbances. 7  vision problems or eye irritation. 8  weight loss.