For the park, see Washington Square (Philadelphia). Washington Square West is a neighborhood in downtown, or Center City, Philadelphia, Pennsylvania.
Electric Door Strike (image from bigasterisk.com) A better solution for door security hardware during a power outage is to use electric strikes. An electric strike is a mechanically operated strike that releases a door when the mechanical part is activated.
An economic strike is an event in which all efforts at producing goods and services through labor are temporarily shut down, usually due to a walkout on the part of the employees who normally manage the tasks necessary to keep the production process going.