25% is even way too low. Factor of Safety is the term you're looking for, which is generally 2x or more depending on the field. Most of the equipment I've ever worked on had a minimum 3x safety factor meaning the actual limits were 3x what the ratings indicated.
A quick search gave me the result of a safety factor of at least 2 for rigging and recovery components on vehicles.
What do you not understand?
Do you not understand what the words mean? Do you not understand the purpose? Do you not understand the context? I don't understand what you don't understand.
If you're going to rail on about how people need to do more to educate others instead of telling you to do some basic reading then you can at the very least put some effort into your inquiry.