The phrase "a key set" is correct and usable in written English.
It can be used when referring to a collection of important items, tools, or components that are essential for a particular purpose or function.
Example: "In order to complete the project successfully, we need to gather a key set of resources that will support our objectives."
Alternatives: "an essential collection" or "a crucial group".
It concludes that by 2030, carbon emissions could be cut by almost 70% if a key set of circular economy policy measures were adopted.
This process should follow a framework that addresses a key set of shared national adaptation functions, and would be informed by lessons learned from the existing National Adaptation Programs of Action (NAPAs).
Toronto flew into Boston and were mauled in the series opener 14-1, but recovered to with the next three games, carrying momentum into a key set at Yankee Stadium starting on Friday.
So, for example, if the court invalidates all use of a key set of federal sentencing guidelines this year, prosecutors and judges should feel free to use those guidelines in similar cases next year.
Progressives lost on a key set of races in last November's elections, including an anti-speculation tax.
This paper overcomes these limitations by identifying a key set of "streetscape skeleton" design variables that can be efficiently measured using a GIS-based method.
Rockford ended up serving as a key setting in "Look at Me," a place that represents all that is repressive about small-town American life, and all that might be redemptive about it, too.
The simulation centre is a key setting for the acquisition of practical skills.
Physical activity (PA) is ranked as a leading health indicator and the workplace is a key setting to promote PA.
The break in slope onto the basin floor provides a key setting for the deposition of both sheet and channel sands.
Schools are identified as a key setting for public health strategies to prevent and decrease the prevalence of overweight and obesity.
