| A Diesel | P. Ointments, candles, vaseline etc. |
| B. Lubricating oil | Q. Paints, road surfacing |
| C. Bitumen | R. Reducing the friction in vehicle engines |
| D. Paraffm wad | S. Fuel for heavy motor vehicles, electric generators |
Answer:
\[A\to S;\text{ }B\to R;\text{ }C\to Q;\text{ }D\to P\]
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