A leak proof coffee mug lid is taught that utilizes a lid body with a aperture in the middle, which includes valve positioning indexing shoulders. an image guide fiber is disposed in the bundle for transmitting the subject image in an observation section focused by the objective lens section. The blade member includes a blade portion having first and second oppositely facing knife-edges and a mounting portion having an opening that facilitates the mounting of the blade member to a jaw of the wire slitter tool. Regions of the wafer in which plasma may be generated are then defined by reticulation to form isolated regions with high minority carrier lifetime. Such compositions are particularly suitable for use as rinsable or non-rinsable products for washing and conditioning hair, hair setting of hair styling. Channel communication can accordingly be simplified as the zero cross-correlation property allows for channel estimation without a matrix inversion.