921、Each item of Airplane Performance shall include a statement significant conditions associated with the data.

567 、 For simplicity of presentation and understandability ， complex systems should be divided intosystem-function rather than overall master schematic diagrams.

566、Make sure that you complete the procedure before you tow the airplane back to its initial position.

565、Apply the paint with a brush.

564、lf the shear pin breaks, do an inspection of the towbar.

563、The time intervals for the inspections vary with the types of aircraft. 检查的时间间隔因飞机的类型而异。

562、Guarantee that all means we use meet the requirement of airworthiness.

561.Check all parts for obvious defects in accordance with standard industry practices." 根据标准行业惯例检查所有部件是否有明显缺陷

560、Only approved persons are permitted to stay in this area.

559、Turbine engine tachometers usually measure speed as a percentage of the nominal maximum speed ofthe turbines.

558、All persons in this area must use a respirator.