Figure 1-1. Industry Input Materials Key.
3. You can determine industries in general from the identification of outdoor equipment (Figure
1-2) by following along the "wiring diagram." For example, if you identify power shovels,
bulldozers, or mine cars on the imagery, you will probably find an extraction industry. Outdoor
equipment such as furnaces, cranes, or kilns lead you to a processing industry. This is further
broken down into chemical, heat, and mechanical industries. Small amounts of outdoor equipment
will lead you to a fabrication industry and further on to heavy and light fabrication.
4. The bulk and waste material identification key (Figure 1-3) consists of a photo color/tone chart
in relationship to its major industry. You can also use it in the analysis of industries as further
explained in the subcourse.
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