41. North Korea alarmed the region in 1998 by firing a multistage rocket over Japan and into the Pacific. 42. Rocket modelers often experiment with rocket sizes, shapes, payloads, multistage rockets, and recovery methods. 43. The " ban " was a multistage process which involved beatings and manipulation of various objects. 44. The SIPP sample is a multistage -stratified sample of the U . S . civilian noninstitutionalized population. 45. Potential surgical problems : Surgery for the more severe degrees of cloacal exstrophy is extensive and usually multistage . 46. A multistage , random cluster process was used to draw the sample surveyed in each of the provinces. 47. Multistage fans are normally needed to reach the relatively high fan pressure ratio needed for high specific thrust.48. 9 . Goddard patented the multistage rocket, the basic jet engine, the gyroscope and 212 other inventions. 49. In a multistage design, further electromagnets are then used to repeat this process, progressively accelerating the projectile. 50. Additionally, ion trap mass analyzers can be used to perform multistage MS / MS in a single device.
