A plasma cell for forming light-sustained plasma includes a transmission element configured to contain a volume of gas, a first terminal flange disposed at or near an opening of the transmission element, a second terminal flange disposed at or near another opening of the transmission element, a floating flange disposed between the first or second terminal flange and the transmission element. Responsive to receiving an input to modify a layout associated with data presented on a computing device for printing, the layout is modified. , compilers, debugging tools and programs understanding tools, each having different requirements. The hemostasis valve includes; a body having a hollow form opened at its front and rear ends or a tubular portion fitted over the connecting portion from a rearward direction; and an openableclosable portion being opened by elastic deformation of the body or the tubular portion.