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
Silicosis which is also known as âPotterâs Rotâ is an occupational lung disease caused by the inhalation of silica dust which produces inflammation and scarring in the upper area of the lungs.imple chronic silicosis. This form of the disease is the most common form of silicosis. It is developed over a long period of time (20 years or more) and is caused through low levels of exposure to silica dust.