Oakville company pleads guilty to having an inadequate written plan for work in confined spaces.
Separate incidents in 2014 and 2015 resulted in two workers losing parts of their hands.
New collective bargaining agreement lasts three years.
Ontario inspectors are focusing on new, young workers.
Focus was on machines not properly guarded, locked out or blocked.
Worker suffered multiple broken bones after being pinned by a fallen lift table in Dec. 2012.
Worker got arm trapped between the moving line and the stationary power platform trying to prevent a shut down.
Incidents involved burns from a molten steel and a fireball, a fall and a falling cart.
Incident took place on a manufacturing line at Dortec Industries, a division of Magna.