The phrase "which may be needed" is correct and usable in written English.
It can be used to indicate that something might be required or necessary in a certain context.
Example: "Please keep the tools handy, as they are items which may be needed during the project."
Alternatives: "that might be required" or "which could be necessary."
Some colleges will lend gadgets like external DVD drives, which may be needed to install specialized software.
Still, analysts are far from throwing in the towel on their earnings forecasts, which may be needed for the market to start to rally.
"I'm glad that you are going to maintain some flexibility, which may be needed, because we don't know what tomorrow will bring," Mr. Bachus said.
This misapprehension, this simple ignorance, matters very much in a world where wild plants are increasingly endangered – including, let it be said, many wild relatives of those 30 or so crops, which may be needed to boost resistance to climate change and plant disease in a 21st century where feeding the soaring world population sustainably will be a terrifying challenge.
New matchers, which may be needed to compare anonymous classes, can easily be added.
"We believe that existing sector-specific regulators are best placed to consider the impact on their sectors of any subsequent regulation which may be needed.
The marital status of patients was not a significant factor on degree of impairment of quality of life which may be need of both married and unmarried people to a good look, and it may be all the study population are young age population, and their general health condition is good and lack other health problems, so it will be a priority health problem for them a clear looking face.
You need to consider your market opportunities and investigate which services may be needed in your local area.
The amount is 43percentt of their $350,000 goal, which she said may be needed for further treatment cycles.
Inhaled forms such as beclomethasone are usually used except in the case of severe persistent disease, in which oral corticosteroids may be needed.
In addition, these lesions generally do not show arterial phase enhancement although exceptions do occur [ 44], in which case biopsy may be needed.
