Final answer:
The provided text suggests a set of guidelines known as Ingram's 10 principles, connected with Earth, which a responsible general must study, referring likely to military strategy or leadership.
Step-by-step explanation:
The question refers to principles of safety that are mentioned as 'Ingram's 10 principles of safety 5/10,' which likely pertains to a set of guidelines or strategic points related to safety in a particular context. Judging by the excerpt provided, it seems that these principles could be theoretical or strategic in nature, potentially related to military strategy or leadership, as there is a mention of 'The general who has attained a responsible post' and a note about the study of principles connected with Earth. Unfortunately, without more context, it is difficult to provide a detailed explanation of Ingram's 10 principles of safety. However, it is crucial that a general in a responsible post is mindful of these principles for the sake of safety and strategic success.