The phrase "a demanding task that" is correct and usable in written English.
It can be used when describing a specific task that requires significant effort or skill.
Example: "Completing the project on time was a demanding task that required teamwork and dedication."
Alternatives: "a challenging task that" or "a tough assignment that".
Load carriage is a physically demanding task that is often required of employees in many different occupations.
Perhaps most limiting is that intra-species phylogeny inference is a computationally demanding task that would be intractable on genomic scales by any widely-used inference method.
In this study, we show that the correct determination of surface morphology using scanning force microscopy (SFM) imaging and power spectral density (PSD) analysis of the surface roughness is an extremely demanding task that is easily affected by experimental parameters such as scan speed and feedback parameters.
The teams shot for three weeks, a physically demanding task that required camping out with the cameras, which would get clogged with dust and grit.
Recent research has unveiled that corvids may be capable of a whole host of cognitively demanding tasks that were previously considered to be the exclusive domain of apes and other primates, such as episodic-like memory [29], planning for the future [30], cooperative problem solving [31], creating novel tools to solve problems [32], and tactical deception [33].
For example, a 1994 Defense Department ruling holds that women may be restricted from positions like the infantry, "which include physically demanding tasks that would exclude the vast majority of women".
Such demanding tasks that require effort are also referred to as job demands [ 4, 5].
Thus, pre-SMA activity increases during cognitively demanding tasks that require increased attentional processes.
