How can I safely inspect cast iron sewer lines myself using a cheap endoscope camera before buying a house built in nineteen fifty?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How can I safely inspect cast iron sewer lines myself using a cheap endoscope camera before buying a house built in nineteen fifty?
1 real search · 1 real-search pass
cast iron sewer pipe inspection camera home inspection sewer scope defects limitations DIY cameraGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
cast iron sewer pipe inspection camera home inspection sewer scope defects limitations DIY camera Google ↗
- Sewer Scope Inspections for Home Inspectors · nachi.org
- InterNACHI's Sewer Scope Inspection Standards of Practice · nachi.org
- Sewer Scope — What It Actually Finds · homeinspection-dallas.com
- 2025-2027 LESOP Instructor Manual Ed 3.0 · trec.texas.gov
- Sample Sewer Camera · ashomeinspect.com
- Cast Iron Sewer Lines in North Texas Houses · homeinspection-dallas.com