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Q: ....... trap is generally used to admit sludge from the floors of rooms, bathrooms, kitchen, etc,
  • A. Nhani/नहानी
  • B. Gully/गली
  • C. S- trap/S-ट्रैप
  • D. Intercepting /अंत:रोधी
Correct Answer: Option A -
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Explanations:

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