Original sentence: In the same story a "Cyber-King" appears; according to the Doctor, it is a "Dreadnought-class" ship resembling a Cyberman hundreds of feet tall, and contains a Cyber-factory in its chest
Edited sentence: In the same story a "Cyber-King" appears; according to the Doctor, it is a "Dreadnought-class" ship for use in invasions resembling a Cyberman hundreds of feet tall, and contains a Cyber-factory in its chest