What Does HAC Stand For?

HAC has more than one possible meaning :

• HAC - Heading Alignment Circle
• HAC - Heading Alignment Cone
• HAC - Heading Alignment Cylinder
• HAC - Heads And Chairs
• HAC - Health Administration Center
• HAC - Health Administration Center VA
• HAC - High Alumina Cement
• HAC - Honourable Artillert Company
• HAC - Hydrogen Assisted Cracking

If you know of another acronym for HAC, please suggest it as a new acronym for HAC.