The phrase "acts as a support" is correct, and can be used in both spoken and written English.
For example, "This community of friends acts as a support for each other during difficult times."
Often one of the members is fixed, and the bearing acts as a support for the moving member.
The lightly glued area acts as a support while the structure is built up.Next, the machine slides a second sheet of paper on top of the first and presses them together to bond them.
a The Silicon wafer acts as a support.
The polymers or metal/nonmetal coating acts as a support for the delivery of therapeutic drugs or nucleic acid.
BIPV serves as the external lined covering and also acts as a support structure for the building.
Practically, the air acts as a support 'buffer' for the water droplet which is in contact to the surface only in few small nanometric sites.
In the PEOnKCuxI1 + x electrolyte, potassium iodide acts as a supporting electrolyte where copper cations Cu+ are carried as CuI−2 complex anions.
In the first Kingdom Hearts, a younger Yuffie acts as a supporting character in Traverse Town, helping to defeat the Heartless who had destroyed her world.
is a moogle (a creature frequently found in the Final Fantasy series) who acts as a supporting character in Final Fantasy XIII-2 and Lightning Returns: Final Fantasy XIII.
This provides more information for those reading analytical papers from the project, and acts as a supporting document to the extensive biobank held at ILRI, Nairobi.
Civet can also act as a support for another material.
