In the description of the airplane＇s Doors, Windows and Exits, precise instructions for using emergency exits shall be given.

The new fluid should be checked after thorough mixing.

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.