Reliability & Validity in Psychology | Definition & Examples

Reliability Coefficient | Definition, Formula & Types

What is Reliability? – ReviseSociology

Durability isn’t magic. It’s a balance of material strength, environment, and how it’s used over time. Every product wears differently: heat breaks it down, friction slowly eats it away, and tiny stresses add up until the structure finally gives in. What looks solid now might already be weakening from the inside. Understanding why something lasts — and why it doesn’t — is the key to making it survive longer. Maintenance, protection, and the right handling can stretch its life far beyond the aver