Final answer:
Irene Salvos escaped the Triangle Shirtwaist Factory Fire by corroborating how locked doors prevented escape by stairs, highlighting the need for improved firefighter equipment and building safety.
Step-by-step explanation:
The escape of Mrs. Irene Salvos from the fire at the Triangle Shirtwaist Company is a stark reminder of the horrific conditions facing early 20th-century industrial workers. Irene Salvos survived the fire that claimed the lives of many by providing testimony that corroborated the locked doors which prevented escape via the stairs. The Triangle Shirtwaist Factory Fire was a pivotal event that underscored the urgency of enhancing firefighters' skills and equipment, and it catalyzed changes in building codes and workplace safety regulations.