The phrase "avoid combining" is correct and usable in written English.
You can use it when advising someone to refrain from merging or mixing two or more elements, ideas, or items.
Example: "To maintain clarity in your writing, it is best to avoid combining different styles in the same paragraph."
Alternatives: "refrain from merging" or "steer clear of mixing".
And by focusing entirely on proving we would be financially worse off, the Tory leadership never contested the illusion at the heart of the slogan "Take back control" – that in an increasingly interdependent world nations can avoid combining together to tackle pollution, financial instability, protectionism and inequality.
Therefore, an obvious recommendation is to avoid combining weak models.
The proteins for each mix were chosen to avoid combining known protein binding partners and known protease-substrate pairs.
It is also recommended that future reports of TE diversity avoid combining functionally and phylogenetically distinct TEs into single categories.
They would have a great opportunity to avoid combining dogs from families with prevalence of the same disease, thereby reducing the risk of diseased offspring.
As preservation of residual insulin production in the pancreas is critical to improved clinical outcomes, further studies in patients with T1D should avoid combining rapamycin and IL-2.
The highway geometric design guidelines for several countries provide suggestions for the coordination of horizontal curves overlapping with sag vertical curves (sag combinations) to avoid combined configurations that produce undesirable optical effects and reduced safety.
If the BP goal was not achieved with two drugs, a third drug including a diuretic was selected specifically to avoid combined angiotensin-converting enzyme inhibitor and angiotensin receptor blocker use.
This method avoids combining xy planes, which generates a low-resolution image in the z plane.
We avoided combining all studies and instead tried to explore sources of heterogeneity using subgroup and metaregression analyses driven by a small number of a priori hypotheses.
This avoided combining the two intervention arms, thus potentially showing an attenuated treatment effect, or including the control arm in the meta-analysis twice (13).
