A glazing suitable for undergoing a thermal treatment such as toughening or bending, comprising a multilayered coating deposited on a glass sheet, and also to a toughened andor bent glazing and a multiple glazing comprising such a toughened andor bent glazing. The liquid reserving portion 1 is composed of liquid reserving portion spaces 10f made to communicate by stacking the tank constituting element 10. Sampled symbol values for each codeword are produced at each receiver, which are connected by one or more ground links so that all data can be collected at one site. A head arrangement moves to selectively access the readwrite disk in a data access mode and moves to a parked position. The context can be passed back to the host for message processing by the host. A second gallium-rich region is formed at the back contact surface of the CIGS absorber layer during selenization, so that the CIGS absorber layer has a double-graded gallium concentration that increases toward the light-receiving surface and toward the back contact surface of the CIGS absorber layer.