The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1.
Project Lead The Way (PLTW) is an American nonprofit organization that develops STEM curricula for use by US elementary, middle, and high schools.
Home Â» Building a Union Business Â» PLA. A project labor agreement (PLA) is a construction labor agreement between an owner and a regional building trades council, representing all the construction craft unions in a given geographical area.