A sealing material includes the following characteristics: a value of a dynamic elastic modulus, measured at a temperature of 80\xb0 C. The voucher includes first coded indicia having first identification data and value data. The barrier serves to sense when a line drive is hit towards a pitcher and will rapidly extend to block the baseball and greatly reduce the possibility of harm to the pitcher. In the liquid crystal display, one transistor, which has a longer off-state time during operation of the circuit, of the N-type thin-film transistor and P-type thin-film transistor constituting the CMOS buffer, has a longer gate length than that of the other transistor. An additional module providing infra-red radiation is may be provided; the additional module comprising number of infra red LEDs disposed along a ring and coplanar to a plane and a reflector facing the infra red LEDs.