How does CheckUser work on Wikipedia?

Diabetes is a key public health challenge? What are latest web browsers and web servers? What are the codes for pushy porkers? What is code po400? Do pay as you go sims run out? What is W3C and its main purpose? What is a text to text connection to on my honor? What is 39b in the ot? What type of material is best used for water pipes? What is the phone number for the property damage department at Citimortgage? How do you create a dropdown menu in MediaWiki? What is the dialog for mobile phone in fancy dress competition? What is the sprint Motorola i9 unlock code? Do food service employees need to wash their hands after using a cell phone during break? What are the characteristics of cable modem transmission systems? What is a 0 Sided Shape? How do you delete tcyonline account? What is Snow whites phone number? What is the best substitute to Google? What does an oval stone evolve?