The phrase "aid in maintaining" is correct and usable in written English.
It can be used when discussing support or assistance in the process of keeping something in a certain condition or state.
Example: "The new software will aid in maintaining the system's efficiency over time."
Alternatives: "assist in preserving" or "help in sustaining".
She has also anointed a relatively tiny group of über-instructors known as Forrest Guardians to aid in maintaining standards.
In some characins, the median and pelvic fins of the males may possess small hooks or contact organs, which aid in maintaining contact with the female during spawning.
Mucous glands, which aid in maintaining the water balance and offer protection from bacteria, are extremely numerous in fish skin, especially in cyclostomes and teleosts.
His six columns a week each ran about a thousand words, and he made sure that everyone he wrote about got a copy of the page, which he regarded as "an aid in maintaining out-of-town contacts which can lead to further column items".
In the early autumn of 1862, a few months after meeting him for the first time, Ward wrote a letter to Burlingame offering to donate 10,000 Chinese taels (about $14,000) to the United States government "to aid in maintaining the union".
From offices financed in part by the city government, the Forum-allied vigilante groups have mounted their campaigns, with the police often seeing them as an aid in maintaining local order, said Nuruzzaman, the local leader of Ansor, the youth movement of Indonesia's largest mainstream Islamic organization, Nahdlatul Ulama.
Second, all nations "are under an obligation not to recognize the illegal situation arising from the construction of the wall, and not to render aid or assistance in maintaining that situation".
The ICJ then identify seven separate obligations for other states – in the context of these non-derogable rules – that include two negative obligations that states must not: one, render aid or assistance in maintaining the situation; and, two, recognise the illegal situation.
The company is aided in maintaining this position by privacy policies that are as obscure as they are lax.
It aids in maintaining the osmotic balance, provides physical protection for the body, is the site of coloration, contains sensory receptors, and, in some fishes, functions in respiration.
