The phrase "a system that involves" is correct and usable in written English.
You can use it when describing a system that includes or incorporates certain elements or processes.
Example: "The new software is a system that involves multiple layers of security to protect user data."
Alternatives: "a system incorporating" or "a system that includes".
The architecture of a system that involves hydrocarbon fuel reforming is outlined.
Cost-effective therapy does exist: DOTS, a system that involves treatment with two cheap antibiotics for up to eight months, and is supervised to ensure patient compliance.
A foreign artist seeking authorization to perform in the United States must navigate a system that involves a pair of government departments.
Intent on getting his players to buy into a system that involves pushing the ball upcourt at every juncture, Rivers has resorted to averting his gaze if it will help his team's patience and perseverance.
Now we're being told that it all comes down to Ohio (currently engaged in voting-machine litigation) and Texas, which has a system that involves both a primary and a caucus.
If and when we determine that the United States must hold individuals to keep them from carrying out an act of war, we will do so within a system that involves judicial and congressional oversight.
Nelson said his political weekly, which is owned by Daily Telegraph proprietors the Barclay brothers, could not be part of a system that involved "state licensing of the media".
Jackson has always insisted that he only wanted a system that involved all five players, suggesting he would lighten up when it comes to his legacy.
It wasn't until 1958, when a system that involved bubbling blood was perfected, that "heart-lung" machines came of age.
In the 1990s a project in San Diego called PATH carried out small-scale tests of a system that involved placing induction loops in the road which acted as electromagnetic rails to guide vehicles along the highway.
Asked if people would pay a graduate income tax for life, he said: "It's very unlikely that one would want to come up with a system that involved payment for life.
