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• Time Based

• Competency Based 

• Hybrid 

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• Time-Based: Progress is measured by the number of hours worked on various activities, with programs varying from one to six years.

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• Competency-Based: Progress is gauged by skill level against specific competencies defined in the work process. An apprentice is fully competent when acknowledged by their employer.

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• Hybrid: This combines hours worked and competency levels, where apprentices must attain a set of competencies within a range of hours.