Z94.12.7 Welding

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MACHINE WELDING. Welding with equipment which performs the welding operation under the constant observation and control of an operator. The equipment may or may not perform the loading and unloading of the work.

MANIFOLD. A multiple header for interconnection of gas or fluid sources with distribution points.

MANUAL WELDING. Welding wherein the entire welding operation is performed and controlled by hand.

MELTING RATE. The weight or length of electrode melted in a unit of time.

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