Figure 2-26. Water Purification.
NOTE: Water from the clarification basins goes to the rapid sand filter building
which is rectangular. In this building water is pumped through sand filters
to remove any remaining suspended material.
The filtered water is then
stored in a buried reservoir.
(9) Wood preserving and woodworking. Specific identification features include
lumber, railcars, processing buildings and sawdust piles (Figures 2-27 and 2-28).
Figure 2-27.
Woodworking.
NOTE: Buildings at woodworking plants are distinctive and may vary in form and
size.
Here, as is common, they are of light construction and have gable
roofs. The open storage of lumber and the box-like end products, as well as
the sawdust burner identify the plant.
IT 0673
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