In the context of hazardous material (dangerous goods) a division or class is a number identifying the hazard category of a hazardous material (dangerous good). There are nine hazard classes, several of which are subdivided into divisions.
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
There is no Class 3 Division 2; Class three has no subdivisions.
DOT Class 3 is for flammable liquids, but there is no subdivision of the class so there is no division 3 for this class.
Class 4 Division 1 (more properly called Division 4.1) is for flammable solids.
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
A material in Class 4 Division 3, more properly called Division 4.3, is a Dangerous When Wet material.
Carrots belong to the division Magnoliophyta, the phylum Anthophyta (angiosperms), and the class Eudicotyledonae (dicots).
Class 4 Division 2, more often called Division 4.2, is for spontaneously combustible materials
Class 4 division 3 (more properly called Division 4.3) is a Dangerous When Wet Material.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
Poisonous materials are found in DOT division 6.1.
Class 4 division 3 (more properly called Division 4.3) is a Dangerous When Wet Material.