I'd imagine it was a large dough kneader above me that doesn't have any safety allowing a stupid person to stick their whole arm in while it's operating. Most machines of that model have metal bars around the moving parts so nobody sticks their body parts in there. If it's the hair that gets stuck you violated pretty much every health and safety rules there are.
The industrial machines like in the OP have a lid that has to be on or the machine won't start and there's no way anything gets in there, it's almost sealed tight save a centimeter and opening the front instantly pauses it. There's no way you can kill yourself unintentionally with them.