| 摘要 |
An apparatus to thaw, soften and bore a pilot hole into frozen ground for the interment of screw-in, self digging and other vertical burial containers by pumping water heated by scavenging heat from different elements of a fuel burning engine, plus the heat generated by a hydraulic power transfer system and the heat generated by a fuel burning combustion chamber and having load increasing devices on the fuel engine and hydraulic power transfer system to further increase heat.
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