A lot of Preventative maintenance through out the building, cooling towers plumbing heating lights grounds around building.
Improved on my negotiation skills.
Management is easy considering I was in management myself,
At times it was very family oriented pot luck, Birthday celebrations.
Finding good hard working people, being called all hours of the night for non emergency, being called on vacation and even during a funeral.
Training people who had a drive to learn
Being on call, even when on vacation