high-tech corporate document cover . a green set of hi-tech covers for presentation and marketing. futuristic for

abstract advertise annual background banner green book booklet brochure business catalog cogwheel communication concept corporate cover creative data design digital document element event flyer future futuristic gear geometric graphic idea layout leaflet magazine marketing mechanic minimal modern page poster presentation promotion publication report science shape shapes tech technology high-tech design set hi-tech covers marketing medical scientific computer flyers brochures webinar pages