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
A non-occupational form of silicosis has been described that is caused by long-term exposure to sand dust in desert areas, with cases reported from the Sahara, Libyan desert and the Negev. The disease is caused by deposition of this dust in the lung.