A CLOSE AFFILIATION OF ALL WORKERS AND TECHNICIANS ENGAGED IN THE STEAMFITTING/PIPEFITTING TRADE; HEATING, VENTILATION/AIR CONDITIONING, INSTRUMENT CALIBRATION, VALVE REPAIR, ENERGY MANAGEMENT, AND SERVICE AND MAINTENANCE; THE FURTHERANCE OF THE INTERESTS OF ITS MEMBERS BY EDUCATION AND COOPERATION; THE MAKING OF AGREEMENTS WITH EMPLOYERS ENGAGED IN THE STEAMFITTING/PIPEFITTING TRADE, HEATING, VEN…