The phrase "a laborious process that involves" is correct and usable in written English.
It can be used when describing a task or activity that requires significant effort and multiple steps to complete.
Example: "Writing a novel is a laborious process that involves extensive research, drafting, and revising."
Alternatives: "a tedious procedure that entails" or "an arduous task that requires".
However, current methods for measuring structural complexity require a laborious process that involves many logistically expensive point based measurements.
However, discovering semiochemicals is a laborious process that involves a plethora of behavioural and analytical techniques, making it expansively time consuming.
After running and losing repeatedly for his own place on the Supreme Court -- a laborious process that involves being selected by a panel of legal experts before facing the voters -- he finally won in 1994.
A century ago, confectioners made marshmallows from a froth of sugar, starch and gelatin, in a laborious process that involved lots of primping.
This latter route, recently reviewed [ 3, 4], is a more laborious process that involves cancer cell penetration of multiple barriers during intravasation and extravasation from blood vessels, as well as growth in a foreign environment.
Kite-fighting string in Afghanistan was traditionally homemade by a laborious process that involved coating cotton string with a concoction of crushed glass and glue.
Mr. Riyadi said the way forward would be for the government to put together a list of blocked addresses, a laborious process that would involve tens of millions of restricted pages.
JAX and other labs making new mouse strains have long relied on a laborious multistep process that involves genetically altering mouse embryonic stem (ES) cells, injecting them into an embryo, and breeding multiple generations of animals.
Updating them is a laborious process that can take upto two years.
It is also applying for licences allowing customers to play in the shelters, but this is a laborious process that will take at least 12 months.
Until the mid-eighties, the two of them hand-set text on an old letterpress, a laborious process that encourages caution and thrift.
