32.13.9. A warning signal should be given:
before a train leaves or arrives at a station;
when a train approaches a curve; and
when otherwise necessary to prevent danger.
32.13.10.
Trains and single cars entering unlit workings
should have headlights and tail lights.
32.13.11.
Diesel engines for driving locomotives should be
shut off whenever the locomotive stops.
32.13.12.
Standing cars should be blocked to prevent them
from running away