Why was working at the triangle shirtwaist factory desirable job?

Although the workers of the Triangle Shirtwaist had low wages, they worked for more than 14 hours a day, even on Saturday and the doors were always closed so that they would not miss work, almost in conditions of slavery and without rights, nor protection from the laws ... For women of that time, it was desirable to work in the factory, to be economically secure, in addition to the factory had modern facilities, with large rooms with high ceilings and large windows, where the temperature was comfortable both in winter and in summer.