| 摘要 |
A welding system includes a resistance type or other type welder with a support member and a tool for holding a work piece supported on the supported member. The support member and tool are configured to provide a substantially gaseous fluid bearing between the support member and the tooling to allow the tooling to be moved relative to the support member. When the bearing is not provided, the tooling is supported on the support member so that an electrical current pathway is provided between the tooling and the support member.
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