The answer is, well, complicated. When pricing a television commercial, you need to weigh the costs of two separate things: (1) the cost of producing the commercial, and (2) the cost of airing it. It has been estimated that the average cost of producing a 30-second national TV commercial is nearly $350,000.
silicosis and emphysema, chemical and heavy metal poisoning, and heart dis-ease are a few of the health hazards facingfoundryworkers. Extremenoise, heat, dust, andfumes are facts of foundry work. The Ameri-can Foundrymen's Society reports that foundry machinery produces noise Moltenmetalispoureddirectly fromladle
Silica Exposure, Dust Inhalation â Signs, Symptoms of Silicosis. Silicosis is one of the most widely seen occupational diseases. It arises from inhalation of silica particles with subsequent chronic lung disease that develops over years and decades. Most patients are asymptomatic for decades and present with the first symptoms after 10 to 20 years.