Abstract: A display system for representing a shooter's performance by capturing and displaying an image of a shot pattern in mid-air in relation to a moving target, comprising an image capturing device arranged to capture such an image at an instant when such a shot pattern and such a target are both an equal distance from such a shooter.

Abstract: A respirator (1) having a plurality of internal masks (2, 3) within an external mask (4), the inner masks (2, 3) being linked by ducts (8, 9) so as to direct the inhaled air from the outside of the mask to the oronasal area via an ocular mask. The oronasal mask (3) has a secondary valve (12) that is sprung so as to operate within the timeframe of the exhalation part of the breathing cycle, the exhaled air being ejected into the hollow outer body of the mask (4).