The starting point for any laboratory exercise is the taking of Samples. The data involved are described in the model fragment that is Figure 17-1. A Sample is a relatively small amount of material extracted for the purpose of evaluating its quality or content. This may be, for example, to support a manufacturing process, basic research, a pharmaceutical clinical trial, a forensic analysis, or an environmental study. In the part of the model shown in Figure 17-1, each Sample must be taken during exactly one Sampling Activity.

Figure 17-1: Taking Samples

In the context of a manufacturing plant, each Sampling Activity

must be taken from ...

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