1. The 1911 Triangle Shirtwaist Factory fire was a major factor in them being required in public buildings
2. In the EU, China, and Japan, most exit signs are green
3. In the US most are red, but in some states like New York or Chicago they are required in new construction
1. The 1911 Triangle Shirtwaist Factory fire was a major factor in them being required in public buildings
2. In the EU, China, and Japan, most exit signs are green
3. In the US most are red, but in some states like New York or Chicago they are required in new construction