Figure 5.5. Charge Location for Switches, Frogs, and Crossings.
switches, frogs, and crossings; figure 5.6 shows the placing and results of hand charges against rails.
In addition to explosives, fire, water, and mechanical means may be used to make rail lines and facilities
unfit for use. They are discussed in the following subparagraphs.
a. Fire. A highly destructive fire may be set to ties and rails by spilling flammable liquid from a tank
car along the tracks for some distance and then igniting the liquid. When volatile liquid