下列不属于 Surface Contamination 步骤的是

245 There is not too much wear of therollers or signs of grooves on the flap track

244 The localiser courseis alignedwith the centerline of the runway,and the glidenlope path is at a constant angle to the threshold of the runwny.

243 slope

242 PUT THE ADAPTER IN POSITION AGAINST ITS SUPPORT

241 Overhaul of any br all components in this chapter must be accomplished in a qualified shop in accordance with data supplied by the component manufacturer.

240 Never answer the phone while driving

239 MOVE THE ENGINE THROTTLE BACK TO 60%RPM

238 After remowalfromcoldstorage, therivetsmust becompletely driven within 15minutes

237 It is not necessary to include arelocated chapter table of contents if the total chapter has been relocated,but the subsystem:relocations should then i dentified in the Table of Contents at the front of the book

236 Invery dirty areas,increase the concentration but obey the manufacturer instructions for use