A method of operating a press that has a damping unit which contains a damping unit roller is performed during a printing interruption. The two methods may be performed either individually or in combination to produce tubes with their wall thickness controlled at a desired value in the range of 2-10 \u03bcm although this has been impossible to achieve in the prior art. The retainer clip has an aperture through which the connecting portion and the engaging elements are projected together in a first position and are slidable in the first direction to a second position. The shell of the spent solid-state hydride material can be recycled and reused to make new shells. In some specific embodiments, the invention concerns methods of performing in vitro translation comprising obtaining a first nuclease inhibitor, which inhibitor is further defined as an anti-nuclease antibody, and placing the anti-nuclease antibody in an in vitro translation reaction.