The phrase "although these covers" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding the subject of "these covers" in a sentence.
Example: "Although these covers are visually appealing, they do not provide adequate protection for the device."
Alternatives: "even though these covers" or "despite these covers".
Relatively few experimental test points are available for validation although these do cover the full extent of the jet conditions and area ratios considered.
Although these files cover a range of subjects, most of the material is related to the Amnesty International's work to abolish the death penalty.
Although these dossiers cover consumers in all walks of life, they carry particular weight for the estimated 30 million people who live on the margins of the banking system.
Although these interviews cover a wide range of topics, including the isolation of the virus HIV and the search for treatments, the interviews we selected for this podcast are more focused on public health, community engagement, and nursing care.
Although these studies cover a similar area, their results often show considerable discrepancies.
Although these interventions cover most circumstances founders find themselves in, it is still important to note that they must be tailored to the individual personality, inner conflicts, and needs, of an oppositional child.
Because although these tweets cover the key lessons of the course, learning how to be a better writer takes more: it takes practice and understanding and repetition.
(The strength s of a node v is the sum of weights of all edges incident on the node v, s v) = Σe:v∈ew e)[26].) Although these distributions cover more than two decades, they are roughly linear in the log-lin scale, which indicates their exponential tail.
Although these scaffolds covered the entire mitochondrial genome (mtDNA), their sequences were further validated by a conventional mtDNA sequencing strategy.
