"FOR HEATING DIESEL FUEL WINTER TYPE DF1,FED SPEC VV-F-800,HEATER AND EXCHANGER ON SEPERATE SKIDS ARRANGED FOR TRANSFER HOSES DIRECTLY INTERCONNECTED TO AVOID STRESS,W/COMPONENTS AND ACCESSORIES,A VERTICAL STACK FURNISHED IN PREFABRICATED SECTIONS OF SHEET STEEL,20 FT HEIGHT WHEN ASSEMBLED WITHSUPPORT UMBRELLA COLLAR AND CAP,DESIGNED FOR AVIATION TANK FARM,COLLAPSIBLE TANKS"