But I didn't. [Chorus] Oh I, I'd done a lot of things different. [Verse 2] I wished I'd a spent more time with my dad when he was alive. Now I don't have the chance. I wish I had told my brother how much I loved him before he went off to war.
Predictive Maintenance (PdM), also known as condition-based maintenance, attempts to evaluate the condition of equipment by performing periodic or continuous (online) equipment condition monitoring.
Pupillary distance. Pupillary distance (PD) or interpupillary distance (IPD) is the distance (the industry standard is to measure in millimeters) between the centers of the pupils in each eye. This measurement is used when preparing to make prescription eyeglasses.