What are hazardous substances? Ramona January 23, 2018 14:29 Updated Follow Danger or rather danger characteristics during the production, transformation, usage and storage, more informations here. Related articles What are dangerous goods? What kind of parcel are not allowed to be sent by "Planzer Parcel"? Contact information for receiver What is an ID check? Who decide the type of danger Comments 0 comments Please sign in to leave a comment.