Final answer:
The most important component of an ESD control plan are engineering controls, which include grounding, shielding, and special flooring.
Step-by-step explanation:
The most important component of an ESD control plan are engineering controls, which are designed to prevent or minimize electrostatic discharge. Engineering controls include measures such as grounding, shielding, and special flooring. While wrist and heel straps, ESD workstations, and employees are all important, they are not as critical as engineering controls in preventing ESD.
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