Do not print on the back of the title page.

A. Using a locally made tool to do the test is also accepted.

B. You can also make a local tool to do this test.

C. You can also make a tool to do this test locally.

A. If the filters become clogged, send them to the laboratory for analysis of the contamination.

B. If the filters are surged, send them to laboratory for contamination analysis.

C. If the contaminant is blocking the filter, the material should be sent to the laboratory for analysis.

A. 不要超过这个速度或马赫数，但当空气平稳时仅仅小心操作就足够了。

B. 除非在平稳的空气中谨慎操作，否则不得超过此速度或马赫数。

C. 不要超过这个马赫数的速度，除非接受警戒只在平稳的空气中操作。

A. When you lift the aircraft on racks, keep the center of the aircraft between these limits.

B. When you lift the aircraft on jacks, keep the center of gravity between these limits.

C. When you lift the aircraft on jacks, the gravity of the aircraft shall be limited.

A. Documents must be temporarily edible.

B. Documents must be readily revisable.

C. Documents must be permanently durable.

A. Make sure that the cables are bent.

B. Make sure that there is tension in the cables.

C. Make sure that there are twists in the cables.

A. 在性能图表和表格中，始终使用KNOTS，以避免将节(KTS)和英里每小时(MPH)混淆。

B. KNOTS在性能图和表格中一直被使用，以防止将节(KTS)和英里每小时(MPH)定义混淆。

C. 为了防止在节(KTS)和英里每小时(MPH)之间进行选择，规定在性能图表和表格中始终使用KNOTS。

A. Some aircraft parts are combined materials.

B. Some airplane structures are composite materials.

C. Some aircraft structures are compound materials.

A. In an emergency, you can use fuel F-43 as an alternative to fuels F-34 and F-40.

B. In an emergency, you can replace fuels F-43 with fuels F-34 and F-40.

C. In an emergency, fuel F-43 can be used as an alternate to fuels F-34 and F-40.

A. 扩孔（铰孔）至直径达到8.00+/-0.003毫米。

B. 钻孔至半径达到8.00+/-0.003毫米。

C. 钻孔至直径达到8.00+/-0.003微米。