Turn the potentiometer until the light is dim.

A. The safety procedures are provided by the operators.

B. The safety procedures are provided to the manufacturers.

C. The safety procedures are provided by the manufacturers.

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. A dash is usually longer than a hyphen but it is sometimes shown as hyphen with a space on each side.

B. A dash is usually longer than a connection symbol but it is sometimes shown as connection symbol with empty on each side.

C. A minus symbol is usually longer than a hyphen but it is sometimes shown as hyphen with a space on each side.

A. 不要使用综合的和粗俗的词语。

B. 不要使用笼统和含义模糊的词语。

C. 不要使用简略和含义模糊的形容词。

A. Remove the bolts from the flange.

B. Remove the rivets from the flange.

C. Remove the rivets from the flanks.

A. 检查和观察是用于检查飞机内部和周围的舱室和设备的窗口，包括透明材料、框架等。

B. 检查窗和观察窗是用于检查飞机内部和飞机上的舱室和设备的窗口，包括透明材料、框架等。

C. 检查和观察是用于检查飞机内部和周围的舱室和设备的窗口，包括透明材料、其框架等项目。

A. 如果轮胎温度升高超过177度，核心机的易熔喷嘴爆破，会爆胎。

B. 如果轮胎温度升高到177度以上，熔断器中心熔化，机轮破损。

C. 如果机轮温度升高到177度以上，易熔塞中心熔化，轮胎会漏气。

A. 每本手册都应有一份“飞机称重表格”，其中包括飞机剖面图，显示称重点的位置(使用顶升点或起落架)。

B. “飞机称重表格”应包含在每本手册中，其中包括飞机平面图，显示称重点相对基准线的位置(使用顶升点或底盘)。

C. 每本手册都应有一份“飞机称重表格”，其中包括飞机侧视图，显示称重点相对基准线的位置(使用顶升点或起落架)。

A. An annunciator device is displayed on the panel, which shows how it works.

B. If an annunciator panel is installed, explain how it operates.

C. If a display appears on the annunciator panel, it explains that how the system works.

A. 如果损伤没有涉及保护盖，则部件可以使用。

B. 如果划痕没有穿透保护层，则部件可以使用。

C. 如果腐蚀没有透过涂层，则部件可以使用。