In the description of the airplane＇s Control Locks, how to engage control locks or secure control surfaces shall be explained.

These tests shall be self-contained.

Write instructions in the imperative form.

Release the pressure from the hydraulic system.

The air pressure is above normal.

Open this circuit breaker.

The gyroscope will become stable after approximately 15 seconds.

When the light comes on, set the switch to NORMAL.

De-energize the system.

Long sentences are not easy to understand.

Remove oil and grease with a degreasing agent.