Unemployment Compensation Board of Review of the Commonwealth v. National Valve & Manufacturing Co.

Opinion by

Judge Mencer,

National Valve and Manufacturing Co. (National) is a fabricating concern which has three plants located in the vicinity of Pittsburgh. National employs three classifications of production employes who are enumerated as steamfitters, fabricators, and machinists. The fabricators bring the pipe and the fittings to the work benches where the steamfitters fabricate, weld, burn, and fit the pipe and fittings together. When the steamfitters have completed their job functions, the fabricators take the work item and paint, sand, and coat the pipe. Machinists grind, scale, and…