Quit inviting contractors to play box-checking games, & start scouting for the real all-stars. â On my first day working in oilfield safety, I learned a new word. The gentleman training me let it slip while showing me his filing systems: âWe put every insurance certificate in this folder,â he said, âjust for a little extra CYA.â CYA? I googled it, not wanting to lookâŚ