If either of these devices is installed explain whether it is required equipment.

Adjectives are given in their basic form,with their comparative and superlative forms in parentheses.

Do not use crocus cloth on aluminum parts,Crocus cloth contains ferrous oxide and can cause corrosion on aluminum parts.

Usually the context of the sentence will give the reader sufficient information to know which meaning is correct.

The words and definations that follow agree with the specifications for technical publications that are applicable to aerospace and defense.

Those units and components store, regulate, and deliver oxygen to the passengers and crew, including bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.

Overhaul of any or all components in this chapter must be accomplished in a qualified shop in accordance with data supplied by the component manufacturer.

You should pay attention to precautions and limitations such as use of landing gear and control surface locks, minimum turning radius, maximum towing and pushing loads on nose landing gear, etc.

This Section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

The corrective action prescribed by the AD, such as an inspection, repair, or modification, may be detailed in the AD itself or may be contained in another document, such as a manufacturer＇s Service Bulletin, which is referenced in the AD.

It should contain all necessary information to perform proficiency tests to maintain system or unit reliability at an acceptable level, without reference to additional documents.