The phrase "a laborious task that" is correct and usable in written English.
You can use it to describe a task that requires a lot of effort and hard work, often implying that it is tedious or time-consuming.
Example: "Completing the project on time was a laborious task that required the entire team's dedication and focus."
Alternatives: "a tedious job that" or "an arduous task that".
Others say information they received about new enrollees was inaccurate or incomplete, so they had to track down additional data — a laborious task that will not be feasible if data is missing for tens of thousands of consumers". Robert Pear and Reed Abelson in the New York Times.
To get the seeds to breed true the farmers have to cross-pollinate the plants, a laborious task that keeps a peak of a dozen workers busy for several months on just one acre.
Such cost estimates are supposed to take into consideration every yard of concrete and every pound of steel needed for construction, as well as many other factors — a laborious task that can take one or two years for a team of estimators.
Appropriate switching is a laborious task that must carefully consider combination products, routes of administration, and also therapeutic equivalents and their (often differing) doses, if the same active ingredient is not available.
However, screening the pathogenicity for each identified SNP experimentally is often a very laborious task that requires a considerable amount of time.
The recent trend toward irregular shapes in high-rise building construction makes planning formwork layouts a more complex and laborious task that has been mainly conducted by a heuristic method based on the intuitive judgment of formwork engineers.
Measuring these low rates was a daunting and laborious task that in the end required hundreds of liters of media and the screening of hundreds of thousands of colonies.
But I think the way to look at it really is, how can we actually apply this in a morally correct way that enables us to eliminate some of the really laborious tasks that people do whether that's a doctor's appointment or you know even a hairdresser appointment, or approving a timesheet.
"We could build a plant like this almost anywhere," said James L. Forquer, the managing director of Apple's Singapore manufacturing operations, as he walked past machines that were placing and soldering chips on circuit boards, one of the laborious tasks that companies used to come to Singapore to do by hand.
"Traditionally, strawberries used for an eau de vie were wild strawberries, hand picked in the woods, and that was a laborious task.
While validation of every variant is a laborious task costing time, material and expense, we recommend that validation of actionable mutations that will directly affect patient management be performed in this kind of testing.
