41. The clamps are either mechanical ( manually operated using spanners ) or air operated varieties. 42. Pepperbox pistols also did away with needing multiple hammers but used multiple manually operated barrels. 43. There were manually operated fire doors that could be closed across the openings between buildings. 44. Power can be switched off using a manually operated circuit breaker controlled from the cabin. 45. But the high point was the installation of a 270-foot-long manually operated scoreboard in centerfield. 46. Instruments and controls are entirely conventional with manually operated flying controls and standard flight instruments. 47. The wings were quite symmetrically tapered and carried manually operated flaps across the centre section. 48. The weapon is manually operated by 1 2 soldiers. 49. The A's have lost their manually operated scoreboards, one of former president Roy Eisenhardt's best ideas. 50. Meanwhile, the bag loading line, which transports passengers'luggage between aircraft and the airport, is manually operated .
