A printing tape has a translucent recording-tape layer with a recording surface on a face thereof, and a translucent pseudo-laminating layer adhered to a back of the recording-tape layer. A nonvolatile phase change memory cell in accordance with the present invention provides many advantages such as high speed, high data retention, and multi-bit operation. Control of liposome fusion can be achieved by modulating the chemical stability andor exchangeability of the bilayer stabilizing component. In the event of a failure of a main clamping assembly disposed over an outer periphery of the two duct sections at the joint, the catcher finger and flange engage to limit separation of the two sections of duct to only a controlled, limited degree. A retainer is secured to the handled at the first end to retain the collar in the counterbore and has a center opening receiving the tap. The head of the variable-angle locking screw is at least partially spherical, and the thread thereon has a profile that follows the arc-shaped radius of curvature of the spherical portion of the screwhead.