Workplace Air Quality In Welding, Fabrication Environment

摘要

Welding and fabrication generate lots of heat, dust and fumes that carry hazardous substances. If air quality is not controlled, these often carcinogenic and toxic substances can lead to serious illness. Obviously, suitable systems to air quality at acceptable levels are needed. A week before Thanksgiving last year, I was waiting for a delayed flight at George Bush International in Houston, when I saw a man take a seat near my gate. At first glance he looked familiar. Though I felt I knew him, I could not place him.