Simple: a liquid which is flammable.
If a liquid is flammable it will burn. Flammable means can catch on fire.
Class 3 Flammable PlacardClass 3 Flammable Liquid label
Class 3 Flammable Liquid label
Class 3 Flammable Liquid label
Yes it does mean it is flammable.
because it contains flammable liquid and oil
It will have a 'fire' logo on the container, which will tell the person how flammable the item is. The same thing goes for flammable containers on trucks.
The flammable liquid will catch fire. That can be dangerous. Answer "no".
Class 3 Flammable Liquid label
yes
When storing a flammable liquid, select a container that is stable (unlikely to tip over), able to be tightly closed (to prevent or control evaporation), and that is made out of a material that is chemically compatible with the flammable liquid.
Flammable liquid: A liquid that catches on fire Flammable solid: A solid, other than a blasting agent or explosive, that is liable to cause fires through friction, absorption of moisture, spontaneous chemical change, retained heat from processing, or which can be ignited readily.