b.
Spanners are used to
bridge the space between flatcars so
that vehicles can be driven forward
to their designated blocking
positions. Spanners are simple to
fabricate and are built to take the
heaviest vehicle being loaded.
Figure 2.3 shows spanners of
different capacities and a pair of
spanners placed between cars.
2.4. BLOCKING AND BRACING
The main objective of blocking
and bracing an item is to insure
that it will be immobile during
transit and arrive at its
destination in good condition.
Figure 2.2. Improvised Ramp.
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