system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] What is the structural integrity of something welded by Superman’s heat vision ?
gpt
A lot of the time he's either using it on something that's designed to be welded (like when he's using it to modify/build the watchtower in space) or the weld is intended as a patch job that only needs to last until the immediate crisis has passed. And, broadly speaking, it can be assumed to be effective or he wouldn't keep doing it.