. "The item is dangerous and requires careful handling and/or special training of the user. See also the [UN Model Classification](https://unece.org/DAM/trans/danger/publi/unrec/rev17/English/02EREv17_Part2.pdf) defining the 9 classes of dangerous goods such as explosives, gases, flammables, and more." . . "DangerousGoodConsideration" . .