anchor: Total labor man-hours of construction and engineering labor are then about 365,000 man-hours for a single 500 MWe unit.
positive: 365,000 man-hours for a single 500 MWe unit is the total labor man-hours of construction and engineering labor.
negative: Total labor man-hours of construction and engineering labor are then about 450,000 man-hours for a single 750 MWe unit.