Apparently one incident involved a 100lb box falling over 10 feet (several meters) onto a person's head. I have a hard time believing a person could survive th

Apparently one incident involved a 100lb box falling over 10 feet (several meters) onto a person's head. I have a hard time believing a person could survive that. I've been hit on the head by a wrench falling like 20ft (while wearing a hard hat), and it kind of hurt.