Zoom in/out:
Icon
Functions
Long press this icon to Rotate the selected items
Tap this icon to copy the items.
Tap this icon to cut the items.
Tap this icon to Push to top layer.
Tap this icon to Push to bottom layer.
Tap this icon to lock the layer.
Tap this icon to delete the items.
Paste (long press the screen around two seconds, the icon will appear only
after one item copied or cut)
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