Did Vortiguants come from Xen? Describe what a Vortiguant looks like (Detailed description) What were they while on Xen? What is the Vortessence? (Detailed description) What were they doing in Black Mesa?
Do you agree if you get dewhitelisted from the whitelist you're allowed to reapply once then you will have no chance of getting the Vortiguant whitelist do you understand?