Inspection for waviness of the display active area surface must be performed using both Apple-approved equipmen (also known as shadowgraph/SGT equipment) and by operator visual inspection. Visual inspection is to be used as a supplement to SGT inspection (follow SQE guidance), to identify: • new or severe failures not targeted by existing SGT algorithms • failures not feasible to capture by SGT (e.g. due to close distance to edge, due to feature size, etc.)