The other main instance where there is risk of serious injury is when a worker stands beneath the jumbo bags, a practice not to be recommended but which is virtually unavoidable in certain cases as, for example when bags are craned into the hold of a ship. Systems for releasing the contents of a jumbo bag which avoid the necessity for a person to be positioned beneath the bag are becoming more widely used. jumbo bags and polypropylene bags also fall under fibc category.
Nevertheless the customer might unknowingly, both to himself and the supplier, be compromising the carefully evaluated safety factors appertaining to jumbo bags usage. Manufacturers are also concerned that in a event of an accident involving a second hand single trip bag a large portion of blame will unfairly be attributed to themselves as makers of the jumbo bags.