The phrase "are given mainly" is correct and usable in written English.
It can be used to indicate that something is primarily provided or assigned in a particular manner or context.
Example: "The resources for the project are given mainly to the research team to ensure thorough analysis."
Alternatives: "are primarily provided" or "are mostly assigned".
The factors are given mainly in terms of the local geologic field situation and the geotechnical properties there.
The estimates are given mainly for heuristic purposes.
Silent, visual gestures are given mainly when recipients are looking; audible, visual gestures less so; and tactile (contact) gestures are given indiscriminately of the audience's attention (Call and Tomasello 2007a, pp. 212 216; Tanner and Byrne 1996).
Direct orders were given mainly by security guards and bus drivers, to enforce the law and keep passengers moving.
The latter predictions were given mainly in jest, but they are hardly outlandish thoughts and there is a clear enough idea of how Slovakia might cause danger.
Accordingly, the part is given mainly to lyricism and, more oddly, dance rather than technical display, and Basil Vendryes, the orchestra's principal violist, made lovely and subtle work of it here.
This is given mainly by the tolerances used for different components, but also due to the actual operating parameters that can result in different thermal regimes and therefore in dimensional variations.
Attention is given mainly to: (i) the role of the redox properties of transition metal oxide-based systems, and (ii) the contribution of radical-type, homogeneous and heterogeneously-initiated homogeneous reactions over nonreducible metal oxide catalysts.
There is also the consideration that, with so much compulsory removal of female clothes, an additional dignity is conferred on those females highborn enough to keep their clothes on, although this privilege, as always in show business, is given mainly to those who have graduated from the feature list to star billing.
When she started out, Manar was given mainly administrative tasks.
The corresponding J V plot of the different CEs is given mainly attenuated by the total series resistance of the cell, electron transport resistance through the photoanode, ion transport resistance, and charge transfer resistance at the counter electrode [20, 21].
