Why do fire extinguishers need to be mounted?

It is important to place fire extinguishers securely on a stand or hook to avoid them falling or damaging. This also makes them easier to access in an emergency. Apart from the accessibility concerns, fire extinguishers positioned on the ground could be more vulnerable to rust. When an extinguisher is left standing up, it can be accidentally kicked or struck, causing corrosion-resistant coatings to come off