The symbol flame is for flammable materials.
In a car
The meaning of flammable is able to be easy ignited; inflammable is the antonym of flammable.
highly flammable
The meaning is dangerous: corrosive or toxic, explosive or flammable.
Yes, some gels are flammable. How flammable would depend on it's alcohol, or flammable substance content. Some gels are not flammable at all, and others a very flammable.
Where can the flammable symbol be found
The hazard symbol warning of a flammable liquid looks link a stylized flame.
on aerosols
In a car
Hydrogen is highly flammable.
flammable or toxic
The meaning of flammable is able to be easy ignited; inflammable is the antonym of flammable.
highly flammable
a triangle with a flame inside
Inflammable.
Inflammable.
corrosive, flammable