P.m.w.j. Edit Meaning

1. Mean Time Between Failure Way to quantify the performance of a machine or part. MTBF = (Total Time of all Parts run) / (Total number o..

1. Something that can get in the way of doing what’s right, what needs to be done or it can make a person spend excessive energy on worryin..

1. It simply means ok. People use "O" for "zero" why not use "zero" for "O". Created by a girl and..