[Grammar] aircraft having deposited dry ice, silver iodide and cement power to disperse clouds.

[ambitious-girl]

Does the bold part mean "..., because aircraft has deposited dry ice, silver..."?

Geo-engineering has been shown to work, at least on a small localised scale. For decades, May Day parades in Moscow have taken place under clear blue skies, aircraft having deposited dry ice, silver iodide and cement power to disperse clouds.

Source: Cambridge IELTS 11 (test 1 - Reading passage 3)

 

[Rover_KE]

Does the bold part mean "..., because aircraft have deposited dry ice, silver..."?

Yes.