subject: Portable Spot Welder Design Provides Welding Power Equivalent to Many Welders [print this page] Producing devices are many uses for the units. It is excellent for heating small metal parts cherry red for hardening. If the thickness of the piece to be hardened is greater, you may have to re-bend the arms slightly.
Portable Spot Welder Design Provides Welding Power Equivalent to Many Welders
By: Evie Rusconi
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