To offer an alternate solution, i.e. the “Transportation of Dangerous Goods Regulations” “DANGER” symbol, to the requirement in Sentences 3.2.7.14.(1) and (3) for placards to show the individual Transportation of Dangerous Goods Class and Division numbers, where storage consists of more than one class.
This is to limit the probability that emergency response operations will be delayed or inefficient, which could lead to the spread of fire to other parts of the building, which could lead to harm to persons, including emergency responders.