The apparatus includes a hollow structural member adapted to replace a conventional railway tie and adapted to be connected to a source of heated air, and a mechanism for discharging {HEAD ~ the heated air} from the hollow member to desired locations along {TAIL ~ the assembly} 
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The apparatus includes a hollow structural member adapted to replace a conventional railway tie and adapted to be connected to a source of heated air , and a mechanism for discharging { HEAD ~ the heated air } from the hollow member to desired locations along { TAIL ~ the assembly }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL