my experience is to know the units that am dealing with and to know the process and to troubleshoot i study hard and read a lot i learn how to install acessment do to all kind of brand weather chiller package mini split package unit recover Freon electrical plumbing carpenter blueprint reading PM ser vices hemple coding i do programming on chiller am Certified EPA 608-609 / US department of Labor Building maintenance Repair Work Different Ice Machine walk in freezer etc work with co workers very well always try to help co worker with their assignments safety very good at that you have to follow company policies and been on time for work do alots of military project for army Air forces and Navy its always good to respect Honesty weather clients or personal safety is company number one goal 👍.