A 34-year-old woman was crushed by marble slabs inside a shipping container at Dingley Village on Thursday morning.
It is believed she was helping unload the slabs at the time of the incident.
This follows the death of a 26 year-old man, who died in hospital on Wednesday night from serious head injuries after a fall at a Templestowe residential construction site on Monday.
WorkSafe is investigating both incidents.
The deaths bring the number of workplace fatalities to 22 for 2020.
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