The phrase "the key to maintaining" is grammatically correct and can be used in written English.
It is often used to introduce the important factor or action necessary for keeping a certain condition or situation stable or ongoing. Example: Regular exercise is the key to maintaining good physical health and preventing diseases.
What's the key to maintaining sanity?
The key to maintaining the Guardian website as an inviting space is to focus on intelligent discussion of topics.
Our education system is the key to maintaining that strength and we must protect it at all costs.
Still, MTV executives have decided that a reliance on music is the key to maintaining connection to a young audience.
The key to maintaining a balance between the airport's friends and foes was the curfew, instituted in 1984.
For the United man, yoga was the key to maintaining the suppleness he needed to be effective.
Reasonable zoning of the nature reserve (NR) is the key to maintain the reserve's ecological functions for sustainable development.
Since the redox homeostasis is the key to maintain normal cells physiological activity [35], excessive ROS will be removed from cell by enzymatic or non-enzymatic reactions.
The results suggest that the key to maintain such a trade-off over time is the continuous formation and dissolution of salt-bridges with a wide range of persistence.
It talks about the importance of keeping national unity as the key to maintain independence, prosperity, and freedom ideas that were shared by Belgrano regarding the population of Hispanic America.
Starting off as an open source project is one way that he hopes to convince larger enterprises that might already be using similar tools to adopt a known entity rather than just giving some random startup the keys to maintaining their operations.
