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Useless oil is used for road heating with the hot water boiler for the ordinary family.
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| Recently, the frequency of road heating decreased for the surge in oil prices. It becomes the significant reduction of the fuel fee in road heating in using the wasted oil warm water boiler of our development. Even if wasted oil is bought, it is below the halfpower of kerosene. Of course, if useless oil is collected for myself, it is free. |
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| ¦The above-mentioned photograph @Melting of snow area=702 |
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