NON DESTRUCTIVE:
*Levels/Curves
*Flip Layer
*Save file from ACR
*Layer Opacity
*Add adjustment layer
DESTRUCTIVE
*Clone stamp
*Dodge/Burn
*Merge/Flatten image
*Paint Brush
*Cutting part of an image out from the background
*Erase tool
*Transform Selection
*Flip Selection
*Convert to B&W
*Apply a filter
*Change bit depth of an image
*Resizing
*Apply layer style
*Crop
