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Archival descriptionPre-apprenticeship: Boilermaker (erection): Course outline[title cont'd in note]
Pre-apprenticeship: Boilermaker (erection): Course outline[title cont'd in note]
Erection boilermaker: Course outline: Three year apprenticeship
Erection boilermaker: Course outline: Three year apprenticeship
Apprenticeship: Boilermaker (erection): Course outline
Apprenticeship: Boilermaker (erection): Course outline