A turbine component includes an aft cooling circuit that extends between a turbine midsection and a turbine trailing end. The sliding roof system also includes first and second holding parts that are each coupled with one of the first and second carriages and that are each coupled with a rear edge of the cover. Female clips that are engageable about the male clips have cylindrical bodies provided with an axial bore extending therealong, an open end, and a closed end. More particularly, the present invention relates to the treatment of HIV and AIDS.