What is DIR ? And how do we implement it into our diving gear - Cons and pros..

THINK - is a diving philosophy that i have createt because of the "We are doing it the right way - and you are stupid" attitude that some organisations have.. Is simply about how do we dive, in the best way, how do we configure the equipment to work

How do we this in the most safe maner and wich aproaches are there ?

How, when, do we think we survive ?

How does we calculate the gas amount, how do we... stuff relatet to technical diving teory