An annular gas turbine engine combustor liner has a single piece annular shell circumscribed about a first axis of revolution. The control unit may further receive reservation change information on corresponding reservation data before the reserved display time ends and applies the reservation change information to the corresponding reservation data. A cylinder having a plurality of apertures therein projects from the lower plate into the containment area. The actuator includes a motor or driver, such as a step motor, linear actuator, servomotor, pneumatic motor, or other similar device, to drive a plunger or piston of the hydraulic coupler. In one position, the locking sleeve is configured to lock the end of the cable to the connector body. The physiological reaction sensing button set includes a heartbeat signal sensor, a humidity sensor, a grip strength sensor and a voice sensor so as to momentarily sense body and physiological condition variations of a player when he or she is playing a game, and the sensed variations are fed back to a game host.