What does CK stand for?

What does CK mean?

CK	Career Killer Business » Positions
CK	Character Kill Computing » Assembly
CK	Component Research Governmental » Suppliers
CK	Cereal Killer Miscellaneous » Funnies
CK	Containerized Kitchen Governmental » Military
CK	Coon Kitty Miscellaneous » Names and Nicknames
CK	Chris Keeney, Photographer Miscellaneous » Photography
CK	Clear Key Computing » Security
CK	Coastal Kayak Community » Sports
CK	Cold Killer Governmental » Police
CK	Coaster Kingdom Business » Firms
CK	Crip Killer Governmental » Police
CK	Cool Knight Miscellaneous » Funnies
CK	Chee Kang Medical » Laboratory
CK	Combat King Miscellaneous » Science Fiction
CK	Crypto Key Computing » Security
CK	Christian Kid Community » Religion
CK	Chung Kong Plastic Works company Business » Firms
CK	Crypt Killer Miscellaneous » Unclassified
CK	Chip Kill Computing » Assembly
CK	California Kris Miscellaneous » Names and Nicknames
CK	Carlos King Miscellaneous » Names and Nicknames
CK	Chris Kringle Miscellaneous » Names and Nicknames
CK	Commander Katsuragi Community » Famous
CK	Cylindrical Keplerian Governmental » NASA