tion of rail, spread two sections of rail and drive a spike vertically between them.
(d) Oil and Lubrication
(1) See 5 b. (2) (b).
(2) Squeeze lubricating pipes with pincers or dent them with hammers, so that the flow of oil is obstructed.
(e) Cooling Systems
(1) See 5 b (2) (c).
(f) Gasoline and Oil Fuel
(1) See 5 b (2) (d).
(g) Electric Motors
(1) See 5 b (2) (e) and (f).
(h) Boilers
(1) See 5 b (2) (h).
(2) After inspection put heavy oil or tar in the engines' boilers, or put half a kilogram of soft soap into the water in the tender.
(i) Brakes and Miscellaneous
(1) Engines should run at high speeds and use brakes excessively at curves and on downhill grades.
(2) Punch holes in air-brake valves or water supply pipes.
(3) In the last car of a passenger train or or a front car of a freight, remove the wadding from a journal box and replace it with oily rags.
(7) Transportation: Automotive
(a) Roads. Damage to roads [(3) below] is slow, and therefore impractical as a D-day or near D-day activity.
(1) Change sign posts at intersections and forks; the enemy will go the wrong way and it may be miles before he discovers his mistakes. In areas where traffic is composed primarily of enemy autos, trucks, and motor convoys of
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