To prevent burnthrough, a torch should be raised or tilted, keeping the outer flame envelope over the molten weld pool until it solidifies.

Question

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To prevent burnthrough, the torch should be raised or tilted so that the outer flame envelope is kept over the molten weld pool until solidification. This helps ensure that the weld pool does not become too hot, which can lead to burnthrough.

To Prevent Burnthrough, a Torch Should Be Raised or Tilted