This training covers blueprint reading, fundamental carpentry skills, mathematics, and construction safety. a carpentry apprenticeship is the first step in becoming a carpenter.. A formal apprenticeship in general carpentry is 7,200 hours in length—hours that are accumulated through a combination of work experience (about 90% of total hours) and in school training (about 10% of total hours). the apprenticeship period is broken down into four 1,800 hour terms..
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