Many people worked in mills and factories in the 19th century, the factories had poor ventilation which caused many workers to have respiratory illness. How do you think it compares with the factories or warehouses of today? Do you think workers have less respiratory illness from working in the factories or warehouses? What are some of the safety measures that have been enacted since the 19th century? What is a disease that an individual can get from working in poor ventilated areas?
