Remove the sealant with a blunt scraper.

A. Use a fan to suck the gases.

B. Use a turbine fan to remove the gases.

C. Use a fan to remove the gases.

A. It is suggested that nickel plated corrosion resistant steel or nickel plated steel fittings be used as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

B. Suggest to use vanadium plated corrosion resistant steel or vanadium plated steel fittings as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

C. It is recommended that cadmium plated corrosion resistant steel or cadmium plated steel fittings be used as replacements for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.

A. Apply special materials in all the holes, specially in the area which can have condensation.

B. Paint special materials in all the holes, especially in the freezing area.

C. Fill special materials in all the holes, particularly for the frost area.

A. 为防止损坏发动机，立即打开所有安装的防护罩。

B. 为防止损坏发动机，稍候装上所有开口的防护罩。

C. 为防止损坏发动机，立即在所有开口上安装防护罩。

A. 确保飞机中心线每侧的燃油负载相等。

B. 确保飞机中心线两侧的燃油供给量相等。

C. 确保飞机中心线两侧的燃油流量相同。

A. 如果危险被含糊描述，人员在执行任务时要了解风险，并更加小心。

B. 危险是否被清楚说明，以致于执行任务的人是否有必要了解风险，并更加小心。

C. 如果清楚说明了危险，执行任务的人就会了解风险，且更加小心。

A. Make sure that the warranty life of the material is not expanded.

B. Make sure that the retirement period of the material is not exceeded.

C. Make sure that the shelf life of the material is not expired.

A. 如果刹车片接触到盘，根据文件移开不需要的材料。

B. 如果托架触碰到板，用锉刀去除不需要的材料。

C. 如果撑杆触及盖板，用填充剂移开不合适的材料。

A. 描述飞机的门、窗和出口时，应精确描述有关应急出口使用的。

B. 描述飞机舱门、窗和出口时，应给出使用救援通道的准确说明。

C. 描述飞机舱门、窗和出口时，应准确指导使用应急门。

A. This step is applied to primer layer only.

B. This step can be only applied when the top is painted.

C. This step is applicable only when you apply the top layer of paint.