Workers with Century Steel Erectors set the final beam in place for Iron Workers Local Union No. 3's Apprenticeship Training Center. The center is undergoing a $3.8 million expansion at 2201 Liberty Ave. in Pittsburgh's Strip District neighborhood, according to a press release. The beam was put in place with a ceremony marked by the workers, including an American flag to honor the country, a broom to represent a "clean" finish and an evergreen tree to represent a job well done, growth and good...