① Avoid punching at the inlet of the pipeline: In some places where there are no switches, it is possible to roughly draw the dense areas of the pipeline through the entrance of the pipeline, and try to avoid drilling at positions that appear particularly cumbersome for pipeline laying. ② Avoid punching at corners: When laying pipelines, the pipeline is mostly laid at the corners to avoid drilling holes at the corners. ③ Avoid punching at the connection: Try to avoid drilling holes in the direction of the water pump and interface connected to the pipeline.
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