Write instructions in the imperative form.

A. Use the tube if it＇s worked into 3.3 feet long.

B. Use a tube whose length is 3.3 feet.

C. The tube which is used is 3.3 feet length.

A. These buses consume power directly from the battery.

B. These buses accept the direct current of battery.

C. The battery supplies power directly to these buses.

A. This commonality requires greater learning and understanding for pilots, aircraft maintenance technicians and engineers alike.

B. This commonality makes it easier for pilots, aircraft maintenance technicians and engineers alike to learn and understand.

C. This commonality brings about better learning and understanding of the pilots, aircraft maintenance technicians and engineers alike.

A. The associated warning light should illuminate after 30 seconds.

B. The associated caution light should deactivate after a duration of 30 seconds.

C. The caution light, regardless of its position, should turn off within 30 seconds.

A. Detach the sensor to establish a physical connection with the adjoining structure.

B. Install the sensor to block access to the adjacent structure.

C. Take out the sensor to reach to the neighboring structure.

A. Handbooks shall be revised easily.

B. Handbooks should not be revised easily.

C. Handbooks should be developed easily.

A. The antenna should be put in the right position on the airplane surface.

B. There is an antenna positioning in the suitable place on the airplane skin.

C. Correct the antenna position on the airplane surface.

A. Data and parameters are gathered by three computers from the systems and put together on the data link to the display unit.

B. Data and parameters are generated by three computers in the system and are displayed on the display unit through the data link.

C. After analyzing the data and parameters from the system, three computers send the final result to the data link for display.

A. It is up to the manufacturer to decide whether time limits/inspection and maintenance checks should be included in a separate manual or in a maintenance manual.

B. It is the manufacturer＇s option to place Time Limits/Inspections and Maintenance Checks in a separate manual on condition that they are also included in the Maintenance Manual.

C. Time Limits/Inspections and Maintenance Checks can be included in he Maintenance manual provided they have already been placed in a separate manual by the manufacturer.

A. The unit of all range distances shall be nautical mile.

B. We measure all range distances in accurate miles.

C. The range of distances shall be calculated in knots.