A more rigorous inspection follows, first with the naked eye, then using a loupe. Where the object is damaged, a 20x microscope is used to project an image of the damaged location onto a screen. "At this point all you can see is the surface.
接著進行「察看」，先用肉眼檢視器物，再用顯微鏡觀察，若是有破損或裂痕就使用顯微放大鏡，將損壞部位放大 20 倍顯示在螢幕上，仔細看清楚每個細節。