The phrase "are maintained through a" is correct and usable in written English.
It can be used when discussing processes, systems, or conditions that are kept in place by a certain method or means.
Example: "The quality standards of the product are maintained through a rigorous testing process."
Alternatives: "are upheld by a" or "are sustained via a".
Some tombs, like those of William Claiborne, the first American Governor of Louisiana, and Marie Laveau, a voodoo cult figure, are maintained through a special preservation fund.
"The Standard is entered into on a voluntary basis," says Ms Spellman, "and its high standards are maintained through a combination of controls.
The settlements are maintained through "a system of total segregation" between the settlers, who enjoy a preferential legal status, and the rest of the population, the report concludes.
Like previous novels in this eccentric series, WOLVES OF MEMORY (Norton, $23.95) is set in a London district where law and order are maintained through a pragmatic gentleman's agreement between cops and crooks.
These results support the hypothesis that premonitory urges are maintained through a process of negative reinforcement.
These results suggest that retinal NSCs are maintained through a predominantly asymmetric mode of cell division.
A strategy is also presented to dynamically adapt this furnace profile so that uniform, convex interface shapes are maintained through an entire growth run.
The Globemasters are built to the same specifications as those operated by the United States Air Force (USAF), and the Australian aircraft are maintained through an international contract with Boeing.
Contact was maintained through a clandestine back-channel between Paris and Tel Aviv.
U.S. Navy/National Archives, Washington, D.C. Communication between the US and Australia was maintained through a base on Guadalcanal.
Respect is an ideal buoyed by a culture in which conformity of behaviour is maintained through a fear of being shamed.
