OK to follow up, He had me back, almost a month after that first trip.(the pics posted) I initially went ,just to look, play around a bit , since I do not do hard floors. He just wanted to know if I could clean. Again, a long time client. The place was getting an overhaul. His concern , the log time tenants had undisciplined dogs who went everywhere. the place really stunk. Wood floor , I told him I am not sure what to do but I will mess around a bit. No promises.
First visit, just to play around, I scrubbed with green pads , shower feeding a strong solution of all purpose cleaner, then sucked it up, and rijnsing with a rinse solution, using an old scrub wand onto which i put some swimming pool coping!!

they were just getting into the place, and had not really done much.
After that, he called, said his guy said it still smells. LOL! I told him well yeah, I only did a small area, and did not address any odor issues. Just to test and see how it looked. Any how, about a month later he lets me know it is ready for me. !!!
He had gotten estimates for refinishing, and due to the cost , just wants to clean, try to mitigate the odor , and put in carpet.
He has looked online himself ,and saw where vinegar was the way to go!!!!! LOL! he had his guy use it on the basement which is concrete, and it worked.
So, when I went in, used BLACK stripping pads, and a mix of Zep neutral PH cleaner, , a few others, and 35 % cleaning vinegar(to keep him happy) scrubbed the snot out of it, maybe more aggressive that if stripping a floor of wax. then rinsed the same way as before,
Then hosed it down , with a peroxide deodorizer(labeled everything including hard surfaces, and which I happened to get recently here at auction

) left it with standing wetness.
He was happy.