Four ribbon banner bar chart spiraling upwards
Three Lego bricks stacked into small pyramid
Round diagram with overlayed circles aligned to bottom
Concentric onion diagram made of three overlayed circles
Pile of various white news papers
Hand stacking coins into differently sized pillars
Stack of dollar coins with green dollar bill
Checkout register with stacked bank notes and percentage
Open safe with stacked bank notes and percentage
Mobile payment per smartphone with barcode scan
Three stacks of coins with clock and shadow
Open book lying on a tablet PC
Uneven stack of six books
Triple icon pack - stack of resource cube blocks
Triple icon pack - stack of dollar bills
Triple icon pack - hourglass with pile of sand
Front view of server racks in data center
Several stacks of copper coins on wooden surface
Loose pile of single euro bank notes
Uneven stack of fifteen British pound sterling coins
Stacked pile of four stones
Stack of colored hand-made fibrous paper