| 1. | Oil - fired air heaters and direct - fired heaters
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| 2. | Primary safety controls for gas - and oil - fired appliances
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| 3. | Large - scale car type oil - fired furnace 4500 2200 1000
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| 4. | Machinery for primary processing of natural rubber - oil - fired furnace
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| 5. | Vent or chimney connector dampers for oil - fired appliances
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| 6. | Oil - fired storage tank water heaters
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| 7. | Oil - fired storage tank water heaters
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| 8. | Erosion and treatment to the atmospheric pressure oil - fired hot water boiler
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| 9. | Oil - fired boiler assemblies
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| 10. | Thimble tube - oil - fired type
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मोबाइल