Water displacing corrosion inhibiting compound has been applied during construction on certain airplanes in the locations shown in this figure. Periodic reapplication in these, and other locations, is required to maintain effectiveness of this protection.

Longitudinal trim is accomplished by movement of the horizontal stabilizer.

A position transmitter is located below the PCUs.

The most common mistakes in performing the adverse loading checks are failure to convert the oil from quarts to gallons.

The ratio of width to depth must be 30 or more at each point.

Definitions or explanations of symbols, abbreviations, and terminology used in the Handbook should be provided.

Being able to reduce friction, ball bearings are used extensively in many kinds of modern aircraft.

We increase the length of the wire，thus increasing its resistance.

Please apply penetrating oil，If you cannot remove a bolt because of corrosion.

Personnel must be familiar with the emergency safety procedures prior to using the material.

To make the curing process slower, decrease the heat that you apply to the compound.