However, oxidative stress is actually useful. in some instances. For example, oxidative stress. induces apoptosis to prepare the birth canal for. delivery. Also, biological defense mechanisms. are strengthened by oxidative stress during. appropriate physical exercise and ischemia.
The 100th anniversary of the Triangle shirtwaist factory fire, which killed 146 workers in a New York City garment factory, marks a century of reforms that make up the core of OSHA's mission.
The unification of the Fire Department, which took place in 1898, would pave the way for many changes. In 1909 the Fire Department received its first piece of motorized fire apparatus. On March 25, 1911 a fire in the Triangle Shirtwaist Company killed 146 workers, most of whom were young female immigrants.