congeniality
We almost always use engineering stress as that is the number reported in strength tests.
Because they get your mind on something else besides what your stressing about kind of like the counting to ten method when your angry.
because a lot of stress is anger stress. the mucle in your hand is a reflexatory muscle and it automaticly tences up. that's why we hit things. have you ever hit someone and then felt better about...
therdendaqrey