What does WSZ stand for?

What does WSZ mean?

WSZ	Winamp Skin Zip Computing » File Extensions
WSZ	WinAmp Skin Zip File Computing » File Extensions
WSZ	Water Supply Zone Community
WSZ	Water Supply Zone Governmental » US Government
WSZ	Water Supply Zone Academic & Science » Ocean Science
WSZ	Work Zone Safety Business » General
WSZ	Work Zone Safety Governmental » NASA
WSZ	Work Zone Safety Governmental » Military
WSZ	Work Zone Safety Governmental » US Government
WSZ	Wet Suit Zipper Academic & Science » Ocean Science
WSZ	Wet Suit Zipper Miscellaneous » Clothes
WSZ	Westport Airport, Aotearoa, New Zealand Regional » Airport Codes